stuff I guessHEADmaster

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+:0hd Demonoid:  See {Demonoid}.
+
+:101: (p5)  Found by Achim Flammenkamp in August 1994.  The name was
+   suggested by Bill Gosper, noting that the {phase} shown below
+   displays the period in binary.
+	....**......**....
+	...*.*......*.*...
+	...*..........*...
+	**.*..........*.**
+	**.*.*..**..*.*.**
+	...*.*.*..*.*.*...
+	...*.*.*..*.*.*...
+	**.*.*..**..*.*.**
+	**.*..........*.**
+	...*..........*...
+	...*.*......*.*...
+	....**......**....
+
+:10hd Demonoid:  See {Demonoid}.
+
+:119P4H1V0: (c/4 orthogonally, p4)  A {spaceship} discovered by Dean
+   Hickerson in December 1989, the first spaceship of its kind to be
+   found. Hickerson then found a small {tagalong} for this spaceship
+   which could be attached to one side or both. These three variants of
+   119P4H1V0 were the only known c/4 orthogonal spaceships until July
+   1992 when Hartmut Holzwart discovered a larger spaceship, 163P4H1V0.
+	.................................*.
+	................*...............*.*
+	......*.*......*.....**........*...
+	......*....*....*.******....**.....
+	......*.********..........*..*.***.
+	.........*.....*.......****....***.
+	....**.................***.*.......
+	.*..**.......**........**..........
+	.*..*..............................
+	*..................................
+	.*..*..............................
+	.*..**.......**........**..........
+	....**.................***.*.......
+	.........*.....*.......****....***.
+	......*.********..........*..*.***.
+	......*....*....*.******....**.....
+	......*.*......*.....**........*...
+	................*...............*.*
+	.................................*.
+
+:1-2-3: (p3)  Found by Dave Buckingham, August 1972. This is one of only
+   three essentially different p3 {oscillator}s with only three cells in
+   the {rotor}.  The others are {stillater} and {cuphook}.
+	..**......
+	*..*......
+	**.*.**...
+	.*.*..*...
+	.*....*.**
+	..***.*.**
+	.....*....
+	....*.....
+	....**....
+
+:1-2-3-4: (p4)  See also {Achim's p4}.
+	.....*.....
+	....*.*....
+	...*.*.*...
+	...*...*...
+	**.*.*.*.**
+	*.*.....*.*
+	...*****...
+	...........
+	.....*.....
+	....*.*....
+	.....*.....
+
+:135-degree MWSS-to-G:  The following {converter}, discovered by
+   Matthias Merzenich in July 2013.  It accepts an {MWSS} as input, and
+   produces an output {glider} travelling at a 135-degree angle relative
+   to the input direction.
+	......**......
+	......*.*.**.*
+	........*.*.**
+	........**....
+	..............
+	..............
+	.*****.....**.
+	*....*.....**.
+	.....*........
+	*...*.........
+	..*...........
+
+:14-ner:  = {fourteener}
+
+:17c/45 spaceship:  A {spaceship} travelling at seventeen forty-fifths
+   of the {speed of light}.  This was the first known {macro-spaceship}
+   speed.  See {Caterpillar} for details.
+
+:180-degree kickback:  The only other two-{glider} collision besides the
+   standard {kickback} that produces a clean output glider with no
+   leftover {ash}.  The 180-degree change in direction is occasionally
+   useful in {glider synthesis}, but is rarely used in {signal}
+   circuitry or in {self-supporting} patterns like the {Caterpillar} or
+   {Centipede}, because 90-degree collisions are generally much easier
+   to arrange.
+	.*.
+	*..
+	***
+	...
+	...
+	.**
+	*.*
+	..*
+
+:1G seed:  See {seed}.
+
+:(2,1)c/6 spaceship:  A {knightship} that travels obliquely at the
+   fastest possible speed.  To date the only known example of a
+   spaceship with this velocity is {Sir Robin}.
+
+:(23,5)c/79 Herschel climber:  The following glider-supported
+   {Herschel climber} reaction used in the {self-supporting} {waterbear}
+   {knightship}, which can be repeated every 79 ticks, moving the
+   {Herschel} 23 cells to the right and 5 cells upward, and releasing
+   two {glider}s to the northwest and southwest.  As the diagram shows,
+   it is possible to substitute a loaf or other {still life}s for some
+   or all of the support gliders.  This fact is used to advantage at the
+   front end of the waterbear.
+	...............*.*...............*..
+	...............**...............*.*.
+	................*...............*..*
+	.................................**.
+	....................................
+	....................................
+	....................................
+	....................................
+	....................................
+	....................................
+	....................................
+	....................................
+	*...................................
+	*.*.................................
+	***.................................
+	..*.................................
+
+:24-cell quadratic growth:  A 39786x143 {quadratic growth} pattern found
+   by Michael Simkin in October 2014, two days after
+   {25-cell quadratic growth} and a week before
+   {switch-engine ping-pong}.
+
+:25-cell quadratic growth:  A 25-cell quadratic growth pattern found by
+   Michael Simkin in October 2014, with a bounding box of 21372x172. It
+   was the smallest-population quadratic growth pattern for two days,
+   until the discovery of {24-cell quadratic growth}. It superseded
+   {wedge}, which had held the record for eight years.  See
+   {switch-engine ping-pong} for the lowest-population
+   {superlinear growth} pattern as of July 2018, along with a list of
+   the record-holders.
+
+:25P3H1V0.1: (c/3 orthogonally, p3)  A {spaceship} discovered by Dean
+   Hickerson in August 1989.  It was the first c/3 spaceship to be
+   discovered. In terms of its 25 cells, it is tied with {25P3H1V0.2} as
+   the smallest c/3 spaceship.  Unlike 25P3H1V0.2, it has a population
+   of 25 in all of its phases, as well as a smaller bounding box.
+	.......**.*.....
+	....**.*.**.***.
+	.****..**......*
+	*....*...*...**.
+	.**.............
+   Martin Grant discovered a glider synthesis for 25P3H1V0.1 on 6
+   January 2015.
+
+:25P3H1V0.2: (c/3 orthogonally, p3)  A {spaceship} discovered by David
+   Bell in early 1992, with a minimum of 25 cells - the lowest number of
+   cells known for any c/3 spaceship.  A note in
+   {Spaceships in Conway's Life} indicates that it was found with a
+   search that limited the number of live cells in each column, and
+   possibly also the maximum cross-section (4 cells in this case).  See
+   also {edge-repair spaceship} for a very similar c/3 spaceship with a
+   minimum population of 26.
+	..........*.....
+	........***.***.
+	.......**......*
+	..*...*..*...**.
+	.****...........
+	*...*...........
+	.*.*..*.........
+	.....*..........
+   In December 2017 a collaborative effort found a 26-glider synthesis
+   for this spaceship.
+
+:26-cell quadratic growth:  = {wedge}.
+
+:295P5H1V1: (c/5 diagonally, p5) The first {spaceship} of its type to be
+   discovered, found by Jason Summers on 22 November 2000.
+	.............**.....................................
+	.....**....**.*.*...................................
+	....***....****.....................................
+	...**......**.....*.................................
+	..**..**...*..*..*..................................
+	.**.....*.......*..**...............................
+	.**.*...****........................................
+	....*...**..**.*....................................
+	.....***....*.*.....................................
+	......**...**..*....................................
+	......*.....*.......................................
+	.****.*..*..*...*...................................
+	.***...*****..*******.*.............................
+	*.*....*..........*..**.............................
+	***.*...*...*.....***...............................
+	.......*.*..*.......**..............................
+	.*...*.....**........**..*.*........................
+	....*.......*........***.*.***......................
+	...*........***......*....*.........................
+	.....*......*.*.....*.*.............................
+	.....*......*.**...*....*...........................
+	.............*.****...*.....*..*....................
+	............**..**.*.*...*.***......................
+	.................*......*..***...***................
+	....................*..*......**....................
+	................**....*..*..........**..............
+	..................*.............*...*...............
+	................**....**........*...................
+	.................*...***........*.*.*.*.............
+	.................*....**........*.....**............
+	........................*........*..***.............
+	.....................*..*........*........*.........
+	..........................****........**...*........
+	.......................*......**......**...*........
+	.......................*....*............*..........
+	.......................*...............*............
+	.........................**.*.*.......*..*..........
+	.........................*....*.........***.........
+	............................***.**..*...*...*.**....
+	.............................*..**.*.....*...*..*...
+	.....................................**..*...*......
+	..................................*.**.**.*..**...*.
+	...............................*.....*...*.......*.*
+	................................**............**...*
+	......................................*.......**....
+	.......................................***...**..*..
+	......................................*..*.***......
+	......................................*....**.......
+	.......................................*............
+	..........................................*..*......
+	.........................................*..........
+	..........................................**........
+
+:2c/3:  Two thirds of the speed of light - the speed of signals in a
+   {2c/3 wire} or of some {against the grain} {negative spaceship}
+   signals in the {zebra stripes} {agar}, and also the speed of
+   {burn}ing of the {blinker fuse} and the {bi-block fuse}.
+
+:2c/3 wire:  A {wire} discovered by Dean Hickerson in March 1997, using
+   his {dr} {search program}.  It supports {signal}s that travel through
+   the wire diagonally at two thirds of the {speed of light}.
+	......*..*.......................................
+	....******.......................................
+	...*.............................................
+	...*..******.....................................
+	**.*.*.*....*....................................
+	**.*.*.******....................................
+	....**.*.......*.................................
+	.......*..******.................................
+	.......*.*.......................................
+	......**.*..******...............................
+	.........*.*......*..............................
+	.........*.*..*****..............................
+	..........**.*.......*...........................
+	.............*..******...........................
+	.............*.*.................................
+	............**.*..******.........................
+	...............*.*......*........................
+	...............*.*..*****........................
+	................**.*.......*.....................
+	...................*..******.....................
+	...................*.*...........................
+	..................**.*..******...................
+	.....................*.*......*..................
+	.....................*.*..*****..................
+	......................**.*.......*...............
+	.........................*..******...............
+	.........................*.*.....................
+	........................**.*..******.............
+	...........................*.*......*............
+	...........................*.*..*****............
+	............................**.*.......*.........
+	...............................*..******.........
+	...............................*.*...............
+	..............................**.*..******.......
+	.................................*.*......*......
+	.................................*.*..*****......
+	..................................**.*.......*...
+	.....................................*..******...
+	.....................................*.*.........
+	....................................**.*..******.
+	.......................................*.*......*
+	.......................................*.*..***.*
+	........................................**.*...*.
+	...........................................*..*..
+	...........................................*.*...
+	..........................................**.*.*.
+	..............................................**.
+     Each 2c/3 signal is made up of two half-signals that can be
+   separated from each other by an arbitrary number of {tick}s.
+     Considerable effort has been spent on finding a way to turn a 2c/3
+   signal 90 or 180 degrees, since this would by one way to prove Life
+   to be {omniperiodic}.  There is a known 2c/3 converter shown under
+   {signal elbow}, which converts a standard 2c/3 signal into a
+   double-length signal.  This is usable in some situations, but
+   unfortunately it fails when its input is a double-length signal, so
+   it can't be used to complete a loop.
+     Noam Elkies discovered a glider synthesis of a reaction that can
+   repeatably insert a signal into the upper end of a 2c/3 wire.  See
+   {stable pseudo-Heisenburp} for details.  On 11 September 2017, Martin
+   Grant reduced the input reaction to five gliders, or three gliders
+   plus a {Herschel}.  With the Herschel option the {recovery time} is
+   152 ticks.
+     See also {5c/9 wire}.
+
+:2c/5 spaceship:  A {spaceship} travelling at two fifths of the
+   {speed of light}.  The only such spaceships that are currently known
+   travel orthogonally.  Examples include {30P5H2V0}, {44P5H2V0},
+   {60P5H2V0}, and {70P5H2V0}.  As of June 2018, only 30P5H2V0 and
+   60P5H2V0 have known {glider synthesis} {recipe}s.
+
+:2c/7 spaceship:  A {spaceship} travelling at two sevenths of the
+   {speed of light}.  The only such spaceships that are currently known
+   travel orthogonally.  The first to be found was the {weekender},
+   found by David Eppstein in January 2000.  See also
+   {weekender distaff}.
+
+:2 eaters:  = {two eaters}
+
+:2-engine Cordership:  The smallest known Cordership, with a minimum
+   population of 100 cells, discovered by Aidan F. Pierce on 31 December
+   2017.  Luka Okanishi produced a 9-glider synthesis of the spaceship
+   on the same day.
+	............*............................
+	............*.....***....................
+	...........*.*...**..*...................
+	............*...*.....*..................
+	............*...*........................
+	.................*..**...................
+	..................**...........**........
+	...............................**........
+	.........................................
+	.........................................
+	.........................................
+	.........................................
+	.........................................
+	.........................................
+	.***...................................**
+	.***.....................*.............**
+	..*............**.........**.............
+	...**.........*.***........**............
+	....*.........*...*..........*...........
+	...*...........**.*.....*****............
+	................*..........*.............
+	.........................................
+	.........................................
+	.**......................................
+	.**......................................
+	..*......................................
+	..*......................................
+	.*.*.....................................
+	*........................................
+	.*..**...................................
+	..*...*..................................
+	....**...................................
+	....*....................................
+	.........................................
+	.........................................
+	.........................................
+	.........................................
+	.........................................
+	.........................................
+	......**.................................
+	......**.................................
+	...................*.....................
+	...................***...................
+	....................**...................
+	....................*....................
+	.........................................
+	..................**.*...................
+	..................****...................
+	....................**...................
+
+:2-glider collision:  Two gliders can react with each other in many
+   different ways, either at right angles, or else head-on.  A large
+   number of the reactions cleanly destroy both gliders leaving nothing.
+   Many of the remaining reactions cleanly create some common objects,
+   and so are used as the first steps in {glider synthesis} or as part
+   of constructing interesting objects using {rake}s.  Only a small
+   number of collisions can be considered {dirty} due to creating
+   multiple objects or a mess.
+     Here is a list of the possible results along with how many
+   different ways they can occur (ignoring reflections and rotations).
+   -------------------------------
+   result     right-angle  head-on
+   -------------------------------
+   nothing             11       17
+   {beehive}            1        0
+   {B-heptomino}        1        2
+   {bi-block}           1        0
+   {blinker}            2        1
+   {block}              3        3
+   {boat}               0        1
+   {eater1}             1        0
+   {glider}             1        1
+   {honey farm}         3        2
+   {interchange}        1        0
+   {loaf}               0        1
+   {lumps of muck}      1        0
+   {octomino}           0        1
+   {pi-heptomino}       2        1
+   {pond}               1        1
+   {teardrop}           1        0
+   {traffic light}      2        1
+   {four skewed blocks} 0        1
+   {dirty}              6        0
+   -------------------------------
+   The messiest of the two-glider collisions in the "dirty" category is
+   {2-glider mess}.
+
+:2-glider mess:  A constellation made up of eight {blinker}s, four
+   {block}s, a {beehive} and a {ship}, plus four emitted {glider}s,
+   created by the following {2-glider collision}.
+	..*.........
+	*.*.........
+	.**.........
+	...........*
+	.........**.
+	..........**
+   Two of the blocks, two of the gliders, and the ship are the standard
+   signature {ash} of a {Herschel}.
+
+:30P5H2V0: (2c/5 orthogonally, p5)  A spaceship discovered by Paul Tooke
+   on 7 December 2000.  With just 30 cells, it is currently the smallest
+   known 2c/5 spaceship.  A {glider synthesis} for 30P5H2V0 was found by
+   Martin Grant in January 2015, based on a predecessor by Tanner
+   Jacobi.
+	....*........
+	...***.......
+	..**.**......
+	.............
+	.*.*.*.*..*..
+	**...*...***.
+	**...*......*
+	..........*.*
+	........*.*..
+	.........*..*
+	............*
+
+:31c/240:  The rate of travel of the {31c/240 Herschel-pair climber}
+   reaction, and {Caterpillar}-type spaceships based on that reaction.
+   Each {Herschel} travels 31 cells orthogonally every 240 {tick}s.
+
+:31c/240 Herschel-pair climber:  The mechanism defining the rate of
+   travel of the {Centipede} and {shield bug} spaceships.  Compare
+   {pi climber}.  It consists of a pair of {Herschel}s climbing two
+   parallel chains of blocks.  Certain spacings between the block chains
+   allow gliders from each Herschel to delete the extra ash objects
+   produced by the other Herschel.  Two more gliders escape, one to each
+   side, leaving only an exact copy of the original block chains, but
+   shifted forward by 9 cells:
+	**.........................................................**
+	**.........................................................**
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	**.........................................................**
+	**.........................................................**
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.............................................................
+	.......................................................***...
+	.......................................................*..*..
+	.......................................................*..*..
+	......................................................****...
+	.......***............................................**.....
+	........*............................................*.......
+	......***.............................................*......
+	......................................................*......
+
+:3c/7 spaceship:  A {spaceship} travelling at three sevenths of the
+   {speed of light}.  The only such spaceships that are currently known
+   travel orthogonally.  The first to be found was the
+   {spaghetti monster}, found by Tim Coe in June 2016.
+
+:3-engine Cordership:  See {Cordership}.
+
+:44P5H2V0: (2c/5 orthogonally, p5)  A {spaceship} discovered by Dean
+   Hickerson on 23 July 1991, the first 2c/5 spaceship to be found.
+   Small {tagalong}s were found by Robert Wainwright and David Bell that
+   allowed the creation of arbitrarily large 2c/5 spaceships. These were
+   the only known 2c/5 spaceships until the discovery of {70P5H2V0} in
+   December 1992.
+	....*.....*....
+	...***...***...
+	..*..*...*..*..
+	.***.......***.
+	..*.*.....*.*..
+	....**...**....
+	*....*...*....*
+	.....*...*.....
+	**...*...*...**
+	..*..*...*..*..
+	....*.....*....
+
+:45-degree LWSS-to-G:  = {45-degree MWSS-to-G}.
+
+:45-degree MWSS-to-G:  The following small {converter}, which accepts an
+   MWSS or LWSS as input and produces an output glider travelling at a
+   45-degree angle relative to the input direction.
+	.........*.**....*.....
+	.........**.*...*.*....
+	................*.*....
+	.......*****...**.***..
+	......*..*..*........*.
+	......**...**..**.***..
+	...............**.*....
+	......................*
+	....................***
+	...................*...
+	...................**..
+	.*****.................
+	*....*.................
+	.....*.................
+	*...*..................
+	..*.............**.....
+	...............*..*....
+	................**.....
+	........**.............
+	.......*.*.............
+	.......*...............
+	......**...............
+	...................**..
+	...................*...
+	....................***
+	......................*
+
+:4-8-12 diamond:  The following {pure glider generator}.
+	....****....
+	............
+	..********..
+	............
+	************
+	............
+	..********..
+	............
+	....****....
+
+:4 boats: (p2)
+	...*....
+	..*.*...
+	.*.**...
+	*.*..**.
+	.**..*.*
+	...**.*.
+	...*.*..
+	....*...
+
+:4F:  = {Fast Forward Force Field}.  This term is no longer in common
+   use.
+
+:4g-to-5g reaction:  A reaction involving 4 gliders which cleanly
+   produces 5 gliders.  The one shown below was found by Dieter Leithner
+   in July 1992:
+	*.*..........................................
+	.**..........................................
+	.*...........................................
+	.............................................
+	.............................................
+	.............................................
+	.............................................
+	.............................................
+	.............................................
+	.............................................
+	.............................................
+	.............................................
+	.............................................
+	.............................................
+	.............................................
+	.............................................
+	.............................................
+	.............................................
+	.............................................
+	.............................................
+	.............................................
+	.............................................
+	.............................................
+	.............................................
+	.................*...........................
+	...............*.*..*........................
+	................**..*.*....................*.
+	....................**....................**.
+	..........................................*.*
+     The first two gliders collide to produce a {traffic light} and
+   glider.  The other two gliders react symmetrically with the evolving
+   {traffic light} to form four gliders.  A {glider gun} can be built by
+   using {reflector}s to turn four of the output gliders so that they
+   repeat the reaction.
+
+:56P6H1V0: (c/6 orthogonally, p6)  A 56-cell {spaceship} discovered by
+   Hartmut Holzwart in 2009, the smallest known c/6 orthogonal spaceship
+   as of July 2018.
+	.....***..........***.....
+	***.*.......**.......*.***
+	....*...*..*..*..*...*....
+	....*.....*....*.....*....
+	..........**..**..........
+	.......*...*..*...*.......
+	.......*.*......*.*.......
+	........**********........
+	..........*....*..........
+	........*........*........
+	.......*..........*.......
+	........*........*........
+
+:58P5H1V1: (c/5 diagonally, p5)  A {spaceship} discovered by Matthias
+   Merzenich on 5 September 2010. In terms of its minimum population of
+   58 cells it is the smallest known c/5 diagonal spaceship. It provides
+   sparks at its trailing edge which can perturb gliders, and this
+   property was used to create the first c/5 diagonal puffers. These
+   sparks also allow the attachment of tagalongs which was used to
+   create the first c/5 diagonal wickstretcher in January 2011.
+	....................**.
+	....................**.
+	...................*..*
+	................**.*..*
+	......................*
+	..............**...*..*
+	..............**.....*.
+	...............*.*****.
+	................*......
+	.......................
+	.......................
+	.............***.......
+	.............*.........
+	...........**..........
+	.....**....*...........
+	.....***...*...........
+	...*....*..............
+	...*...*...............
+	.......*...............
+	..**.*.*...............
+	**.....*...............
+	**....**...............
+	..****.................
+
+:5c/9 wire:  A {wire} discovered by Dean Hickerson in April 1997, using
+   his {dr} {search program}.  It supports {signal}s that travel through
+   the wire diagonally at five ninths of the {speed of light}.  See also
+   {2c/3 wire}.
+	....*.**............................................
+	....**..*...........................................
+	.......*..*.........................................
+	..*****.**.*..*.....................................
+	.*..*...*..****.....................................
+	.*.**.*.*.*......*..................................
+	**.*.****.*..*****..................................
+	...*......*.*.....**................................
+	**.*.****.*..*.**.*.*...............................
+	*..*.*..*.**.*.*.*..*...............................
+	..**..*..*...*.*....*.**............................
+	....**....****.**..**..*............................
+	....*...*.*......*...*..............................
+	.....****.*.*****.***...*...........................
+	.........*.*....*.*..****...........................
+	.......*...*..*...*.*......*........................
+	.......**..*.*.****.*..*****........................
+	..........**.*......*.*.....**......................
+	.............*.****.*..*.**.*.*.....................
+	.............*.*..*.**.*.*.*..*.....................
+	............**..*..*...*.*....*.**..................
+	..............**....****.**..**..*..................
+	..............*...*.*......*...*....................
+	...............****.*.*****.***...*.................
+	...................*.*....*.*..****.................
+	.................*...*..*...*.*......*..............
+	.................**..*.*.****.*..*****..............
+	....................**.*......*.*.....**............
+	.......................*.****.*..*.**.*.*...........
+	.......................*.*..*.**.*.*.*..*...........
+	......................**..*..*...*.*....*.**........
+	........................**....****.**..**..*........
+	........................*...*.*......*...*..........
+	.........................****.*.*****.***...*.......
+	.............................*.*....*.*..****.......
+	...........................*...*..*...*.*......*....
+	...........................**..*.*.****.*..*****....
+	..............................**.*......*.*.....**..
+	.................................*.****.*..*.**.*..*
+	.................................*.*..*.**.*.*.*..**
+	................................**..*..*...*.*......
+	..................................**....****.**.....
+	..................................*...*.*......*....
+	...................................****.*.*****.*...
+	.......................................*.*....*.*...
+	.....................................*...*..*...**..
+	.....................................**..*.*.***..*.
+	........................................**.*.....*..
+	............................................*.***...
+	.............................................**.....
+
+:60P312: (p312) Found by Dave Greene, 1 November 2004, based on
+   {92P156}.
+	....................**....................
+	....................**....................
+	..........................................
+	..........................................
+	..........................................
+	...............................**.........
+	......................**......*..*........
+	......................*........**.........
+	......*...............*...................
+	.....*.*...............*..................
+	.....*.*..................................
+	......*...................................
+	..........................................
+	..........................................
+	..........................................
+	..........................................
+	..........................................
+	..........................................
+	................................*..*......
+	.................................***......
+	**......................................**
+	**......................................**
+	......***.................................
+	......*..*................................
+	..........................................
+	..........................................
+	..........................................
+	..........................................
+	..........................................
+	..........................................
+	...................................*......
+	..................................*.*.....
+	..................*...............*.*.....
+	...................*...............*......
+	.........**........*......................
+	........*..*......**......................
+	.........**...............................
+	..........................................
+	..........................................
+	..........................................
+	....................**....................
+	....................**....................
+
+:60P5H2V0: (2c/5 orthogonally, p5)  A 60-cell {spaceship} discovered by
+   Tim Coe in May 1996.  It was the first non-c/2 orthogonal spaceship
+   to be successfully constructed via {glider synthesis}.
+	.....*.......*.....
+	...**.**...**.**...
+	......**...**......
+	........*.*........
+	.*....*.*.*.*....*.
+	***.....*.*.....***
+	*.....*.*.*.*.....*
+	..*..*..*.*..*..*..
+	..**...**.**...**..
+	*.......*.*.......*
+	*......**.**......*
+
+:67P5H1V1: (c/5 diagonally, p5)  A {spaceship} discovered by Nicolay
+   Beluchenko in July 2006. It was the smallest known c/5 diagonal
+   spaceship until the discovery of {58P5H1V1} in September 2010.
+	.....***..............
+	....*...**............
+	...**...*.............
+	..*.....*.............
+	.*.**....**...........
+	**..*......*..........
+	...**..*..............
+	...**.**..............
+	....*.................
+	.....*****............
+	......*..***..**......
+	.........*.**..*.**...
+	.........*...*.*..*...
+	..........*****.....*.
+	.........*..*..*.....*
+	.....................*
+	................***...
+	................*.....
+	...............*......
+	................**....
+
+:70P5H2V0: (2c/5 orthogonally, p5)  A {spaceship} discovered by Hartmut
+   Holzwart on 5 December 1992.
+	..*............*..
+	.*.*..........*.*.
+	**.**........**.**
+	**..............**
+	..*............*..
+	..****......****..
+	..*..**....**..*..
+	...**..*..*..**...
+	....**.****.**....
+	.....*.*..*.*.....
+	......*....*......
+	..................
+	.....*......*.....
+	...**.**..**.**...
+	....*........*....
+	....**......**....
+
+:7x9 eater:  A high-{clearance} {eater5} variant that can suppress
+   passing gliders in tight spaces, such as on the inside corner of an
+   {R64} {Herschel conduit}.  Like the eater5 and {sidesnagger}, the 7x9
+   eater is able to eat gliders coming from two directions, though this
+   ability is not commonly used.
+	.*..........
+	..*.........
+	***.........
+	............
+	......*.....
+	.....*......
+	.....***....
+	............
+	............
+	......*...**
+	.....*.*...*
+	.....**...*.
+	.........*..
+	.....*****.*
+	.....*....**
+	......***...
+	........*.**
+	.........*.*
+
+:83P7H1V1:  = {lobster}
+
+:86P5H1V1: (c/5 diagonally, p5)  A {spaceship} discovered by Jason
+   Summers on January 8, 2005.  It was the smallest known c/5 diagonal
+   spaceship until the discovery of {67P5H1V1} in July 2006.
+	.........***...........
+	........*..............
+	.......*...............
+	...........**..........
+	........**.*...........
+	..............***......
+	...........*..**..**...
+	..*........**.*...**...
+	.*..*......*..**.......
+	*...*..................
+	*...........*..*.......
+	*..**.***...*...**.**..
+	...*...*..**..*..*.....
+	.................**..*.
+	.....****...*.....*...*
+	.....**.*.*..........*.
+	.....*.....*......**...
+	...........***.........
+	......**.....**.*......
+	......**...*....*......
+	...........*...........
+	.............*.*.......
+	..............*........
+
+:90-degree kickback:  See {kickback reaction}.
+
+:92P156: (p156) Discovered by Jason Summers on October 31, 2004.  It is
+   actually an eight-barrel {glider gun}, with all output gliders
+   suppressed by {eater1}s. Replacing each pair of eater1s with a
+   {beehive} doubles the period and produces {60P312}.
+	....................**....................
+	....................**....................
+	..........................................
+	..........................................
+	..........................................
+	........**......................**........
+	.........*............**........*.........
+	.........*.*..........*.......*.*.........