Life Still-Lifes

Introduction
Size in bits: 0 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | Larger
Cost in gliders: 2 | 3 | 4 | 5 | 6 | 1 glider/bit | >1 glider/bit
Frequency of occurrence | Methuselahs with P1 censuses | Not quite still-lifes



Introduction

Of all objects to be synthesized from gliders, still-lifes are usually the easiest to synthesize. Most of the smaller objects naturally fall out of random collisions of a few gliders, while most larger objects can be assembled incrementally from smaller and simpler objects. This process is somewhat similar to sculpting in a solid medium, or to chemical synthesis of stable compounds.

In fact, all of the 2431 still-lifes up to 14 bits have been explicitly synthesized, and all from 15-17 bits either have explicit syntheses, or have been proven to have syntheses. A computer search has verified that around 96% of still-lifes from 18-24 bits can be trivially synthesized from smaller ones.

In the early 1990s, David Buckingham synthesized all still-lifes up to 14 bits, that had not been previously synthesized.

In the late 1990s, Mark Niemiec synthesized most 15-bit still-lifes, leaving only three unsolved. He later wrote an expert system that proved that all could be synthesized trivially except around a dozen, all of which already had explicit syntheses except for the same three. He later solved one of these three in 2010, with the final two being solved in 2013 by Martin Grant.

The expert system determined that all 16-bit still-lifes could be synthesized except for around a hundred. In the fall of 2013, a group of Lifenthusiasts on the Life community forums (Martin Grant, Matthias Merzenich and Mark Niemiec, with the help of a few others) synthesized all of these remaining hundred.

Similarly, the system determined that all 17-bit still-lifes could be synthesized except for around three hundred. From January to May 2014, the same group solved all of these.

(There are currently around 700 18-bit still-lifes without syntheses, plus several others that can be trivially derived from these.)



The 1 zero-bit still-life

0b P1

Death [2]

Although not generally considered a still-life, the empty field (i.e. death) technically fulfills all the criteria, and it occurs sufficiently frequently to warrant being mentioned. For example, it is the most common result of two gliders colliding.


The 2 four-bit still-lifes

4-bit still

Block [2] Tub; Diamond [3]

Blocks can can eat beehives and similar objects with protruding points. This makes them extremely useful in stabilizing Queen bees and other related oscillators. They can also stabilize many other kinds of oscillators as well, including B heptomino shuttle-based ones.

Tubs can eat half of a forming pulsar


The 1 five-bit still-life

5b P1

Boat [2]


The 5 six-bit still-lifes

6-bit still-lifes

Snake [4] Ship [3] Beehive [2] Aircraft carrier; Carrier [4] Barge [3]


The 4 seven-bit still-lifes

7-bit still-lifes

Long snake; Python [4] Loaf; Burloaf [2] Eater; Eater-1; Fishhook [2] Long boat [3]

Very early on, it was discovered that the fishhook can safely eat a wide variety of things. As a result, it has been subsequently known as the Eater. Since then, other kinds of eaters have been discovered, but the eater (now also known as Eater-1 to distinguish it from other kinds of eaters), is the smallest and easiest to synthesize. It is used to stablize many oscillators. Because it has a 3-generation reset time, two of them form a simple period 3 oscillator.


The 9 eight-bit still-lifes

8-bit still-lifes

Shil- lelagh [4] Pond [2] Long ship [4] 8.3; Mango; Cigar [3] 8.4; Hook w/ tail; Snake eater [4] 8.1; Very long snake [4] Long barge [3] Tub w/ tail; Twit [4] 8.2; Canoe; Sinking ship; Cis snake [4]

The Pond can eat the same way an eater can, as long as it eats from two adjacent sides simultaneously. The simplest example is in the P3 oscillator Biting off more than they can chew, where both sides of the pond are eaten by eaters.


The 10 nine-bit still-lifes

9-bit still-lifes

9.1; Very long boat [3] 9.2; Extra long snake [6] 9.3; Long canoe; Long sinking ship [4] 9.4; Integral; Integral sign [4] 9.5; Up boat w/ tail; Trans- boat w/ tail [4] 9.6; Down boat w/ tail; Cis- boat w/ tail [4] 9.7; Long shil- lelagh [5] 9.8; Long hook w/ tail [5] 9.9; Tub w/ long tail; Shil- lelagh w/ tub [4] 9.10; Hat [3]


The 25 ten-bit still-lifes

10-bit still-lifes

10.1; Very long barge [5] 10.2; Very long ship [4] 10.3; Loaf siamese barge [9] 10.4; Loop; Curl; Long hat; Hook w/ hooked tail [4] 10.5; Up barge w/ tail; Trans-barge w/ tail [4] 10.6; Down barge w/ tail [5] 10.7; Beehive w/ tail [4] 10.8; Snake siamese snake [6] 10.9; Carrier siamese snake [5] 10.10; Carrier siamese carrier [5]
10.11; Very long canoe [4] 10.12; Extra extra long snake [6] 10.13; Integral w/ hook [5] 10.14; Fuse w/ two tails [6] 10.15; Very long hook w/ tail [7] 10.16; Cis hook w/ tail [8] 10.17; Integral w/ tub; Tub w/ nine [4] 10.18; Claw w/ tail; Great snake eater [4] 10.19; Long integral; S-ten [5] 10.20; Cis shillelagh [4]
10.21; Very long shillelagh [4] 10.22; Tub w/ very long tail [7] 10.23; Boat w/ long tail [5] 10.24; Boat tie boat; Boat on boat [4] 10.25; Block on table; Block and table [4]  


The 46 eleven-bit still-lifes

11-bit still-lifes

11.1; Extra long boat [4] 11.2; Up long boat w/ tail [5] 11.3; Down long boat w/ tail [7] 11.4; Down loaf w/ tail; Trans- loaf w/ tail [4] 11.5; Up loaf a/ tail; Cis- loaf w/ tail [4] 11.6; Python siamese snake [7] 11.7; Python siamese carrier [8] 11.8; Extra long canoe [7] 11.9; 11-bit snake [6] 11.10; Integral w/ long hook [7]
11.11; Integral w/ up boat; Trans- boat w/ nine [4] 11.12; Integral w/ down boat [5] 11.13; Extra long hook w/ tail [7] 11.14; Long cis hook w/ tail [7] 11.15; Integral w/ two hooks [8] 11.16; Long fuse w/ two tails [7] 11.17; Long claw w/ tail [4] 11.18; Integral w/ two tubs [6] 11.19; Long cis shil- lelagh [6] 11.20; Very long integral [9]
11.21; Extra long shil- lelagh [6] 11.22; Tub w/ extra long tail [6] 11.23; Boat w/ very long tail [8] 11.24; Barge w/ long tail [6] 11.25; Tub w/ cis tail [8] 11.26; Long integral w/ tub [8] 11.27; Claw w/ tub w/ tail [6] 11.28; Fuse w/ tail and long tail [7] 11.29; Eater head siamese snake [8] 11.30; Ship tie boat; Ship on boat [4]
11.31; Snake tie boat [6] 11.32; Carrier tie boat [5] 11.33; Very long hat; Eleven- loop [4] 11.34; Boat w/ hooked tail; Long hat siamese boat [5] 11.35; Integral w/ tail [4] 11.36; Down boat on table; Trans- boat and table [6] 11.37; Up boat on table; Cis- boat and table [4] 11.38; Gull; Elevener; Intensionless [4] 11.39; Integral w/ tub and hook [6] 11.40; Eater head siamese carrier [5]
11.41; Eater tail siamese snake [6] 11.42; Eater tail siamese carrier [5] 11.43; Loaf siamese loaf [4] 11.44; Eater w/ cape [5] 11.45; Snake w/ feather [6] 11.46; Carrier w/ feather [6]  


The 121 twelve-bit still-lifes

Due to space limitations, these and their syntheses are shown on a separate page.


The 240 thirteen-bit still-lifes

Due to space limitations, these and their syntheses are shown on a separate page.


The 619 fourteen-bit still-lifes

Due to space limitations, these and their syntheses are shown on a separate page.


The 1353 fifteen-bit still-lifes

Due to space limitations, these and their syntheses are shown on a separate page.


The 3286 sixteen-bit still-lifes

Due to space limitations, these are shown without syntheses on a separate page, with syntheses for 338 of them.


The 7773 seventeen-bit still-lifes

Due to space limitations, these are shown without syntheses on a separate page, with syntheses for 445 of them.


The 19044 eighteen-bit still-lifes

Due to space limitations, these are shown without syntheses on a separate page, with syntheses for 130 of them.


The 45759 nineteen-bit still-lifes

Unfortunately, due to space limitations, these cannot be shown.

Syntheses for 73 of these are shown.

19-bit still-lifes

19.398 [6] 19.991 [9] 19.1637 [7] 19.2964 [9] 19.3087 [10] 19.3100 [10] 19.3128 [13] 19.3146 [4] 19.3161 [24] 19.3523 [8]
19.3528 [7] 19.3529 [10] 19.3549 [6] 19.3754 [13] 19.3779 [8] 19.3780 [11] 19.3930 [9] 19.4044 [8] 19.4199; Longhorn [9] 19.4304 [12]
19.5226 [12] 19.5231 [9] 19.5390 [6] 19.7470 [27] 19. 11332 [9] 19. 11445 [13] 19. 11570 [9] 19. 11611 [6] 19. 11753; Eater-2 [16] 19. 11785; Cheap eater-2 [8]
19. 11903 [7] 19. 11990 [27] 19. 12471 [18] 19. 12707 [13] 19. 12709 [7] 19. 12834 [11] 19. 12839 [15] 19. 12841 [14] 19. 13260 [8] 19. 13783 [11]
19. 13790 [9] 19. 13942 [11] 19. 14090 [6] 19. 14219 [10] 19. 14258 [12] 19. 14663 [12] 19. 15187 [12] 19. 15406 [64] 19. 16598 [8] 19. 16888 [16]
19. 16895 [13] 19. 16896 [13] 19. 17579 [8] 19. 17763 [30] 19. 17797 [17] 19. 18222 [20] 19. 19119 [13] 19. 19181 [20] 19. 27262 [11] 19. 28022 [18]
19. 28047 [5] 19. 29154 [6] 19. 30501 [5] 19. 30862 [8] 19. 31541 [16] 19. 33198 [16] 19. 33912 [16] 19. 34133 [13] 19. 35478 [19] 19. 38169 [12]
19. 39872 [26] 19. 40007 [17] 19. 42206 [6]  

Eater-2 is an eater that can eat most things the Eater-1 can eat. However, because it has a 6-generation reset time compared to the Eater's 3, it can eat many things the Eater can't. Furthermore, because its active area is on a diagonal axis of symmetry, it can eat things from either side, while the Eater can eat only one.


The 112243 twenty-bit still-lifes

Unfortunately, due to space limitations, these cannot be shown.

Syntheses for 81 of these are shown.

20-bit still-lifes

20.631 [16] 20.639 [16] 20.682 [9] 20.703 [4] 20.1292 [5] 20.5318 [8] 20.5320; Cis dock on dock; Mirrored dock [4] 20.5445 [25] 20.5655 [18]
20.6019 [15] 20.6034 [11] 20.6039 [14] 20.6274 [15] 20.6281 [36] 20.6282 [44] 20.6406 [14] 20.6717 [14] 20.6770 [7]
20.6861 [39] 20.7353 [12] 20.8351 [6] 20.8920 [6] 20.8995 [4] 20.9442 [10] 20. 10484 [10] 20. 11763 [27] 20. 21877; Shuriken [10]
20. 21908 [10] 20. 22049; Spiral [10] 20. 22428 [10] 20. 22629 [4] 20. 22811 [87] 20. 23540 [8] 20. 23572 [14] 20. 24041 [7] 20. 24642 [12]
20. 24653 [11] 20. 25181; Century eater w/ cis snake [18] 20. 25327 [27] 20. 25886 [8] 20. 26999 [16] 20. 27001 [86] 20. 27105 [20] 20. 28209 [9] 20.28487; Up bookend on long beehive siamese loaf [7]
20. 29610 [8] 20. 29799 [5] 20. 32207 [7] 20. 32475 [18] 20. 33054 [13] 20. 33812 [14] 20. 35364 [5] 20. 38322 [9] 20. 43936 [9]
20. 54418 [12] 20. 55058 [15] 20. 55063; Buckle [14] 20. 55084; Fuse w/ four tails [21] 20. 55512 [11] 20. 58843 [7] 20. 59202 [45] 20. 59274 [10] 20. 59595 [6]
20. 59596 [5] 20. 63771 [11] 20. 68602; Century eater w/ beehive [9] 20. 72141 [25] 20. 74326 [8] 20. 88034 [10] 20. 88078 [11] 20. 90076 [18] 20. 90659 [9]
20. 91980 [10] 20. 94776 [6] 20. 95176 [11] 20. 98447 [10] 20. 105399 [8] 20. 106279 [10] 20. 110232 [8] 20. 110871 [10] 20. 111809 [9]

The Century eater is specifically designed to eat a century.


The 273188 21-bit still-lifes

Unfortunately, due to space limitations, these cannot be shown.

Syntheses for 47 of these are shown.

21-bit still-lifes

21.1409 [9] 21.9556 [20] 21.9734 [19] 21.9735 [19] 21.12138 [9] 21. 16612 [9] 21. 16659 [9] 21. 18937 [11] 21. 19110 [11] 21. 22391 [6]
21. 40881 [10] 21. 40996 [7] 21. 41351 [6] 21. 41458 [11] 21. 43296 [19] 21. 44222 [6] 21. 46394 [7] 21. 47007 [17] 21. 47034 [14] 21. 47643 [16]
21. 47708 [21] 21. 51514 [13] 21. 51763 [26] 21. 52368 [11] 21. 56578 [15] 21. 58260 [9] 21. 67201 [17] 21. 67406 [6] 21. 67612 [9] 21. 74005 [11]
21. 75446 [16] 21. 88720 [9] 21. 115231; Century eater w/ down cis bookend [9] 21. 115270; Century eater w/ up cis bookend [9] 21. 118465 [7] 21. 125951 [10] 21. 130813 [8] 21. 133930 [8] 21. 135994 [13] 21. 149597 [6]
21. 151850 [7] 21. 169733 [7] 21. 198031 [6] 21. 198605 [12] 21. 214663 [9] 21. 247593; Tri- loaf [11] 21. 265698 [10]  

The Century eater is specifically designed to eat a century.


The 672172 22-bit still-lifes

Unfortunately, due to space limitations, these cannot be shown.

Syntheses for 43 of these are shown.

22-bit still-lifes

22.1915 [6] 22.2136 [10] 22. 15963 [10] 22. 16554 [4] 22. 26205 [9] 22. 37472 [14] 22. 77829 [9] 22. 84730 [21] 22. 84731 [22]
22. 84862 [26] 22. 85253 [17] 22. 85263 [17] 22. 95166 [8] 22. 113860 [12] 22. 115361 [12] 22. 136800 [8] 22. 140106 [6] 22. 208915 [10]
22. 213265 [11] 22. 230855 [6] 22. 230921 [14] 22. 233402 [12] 22. 235028 [9] 22. 239226 [20] 22. 243103 [15] 22. 268400 [8] 22. 277597 [10]
22. 289509 [27] 22. 319894 [6] 22. 348003 [5] 22. 349285 [6] 22. 349342 [5] 22. 432334 [8] 22. 437102 [11] 22. 477715 [8] 22. 639189 [10]
22. 644490 [15] 22. 649054 [11] 22. 651376 [6] 22. 661975 [10] 22. 670374 [12] 22. 670379 [14] 22. 672172 [13]  


The 1646147 23-bit still-lifes

Unfortunately, due to space limitations, these cannot be shown.

Syntheses for 23 of these are shown.

23-bit still-lifes

23. 3212 [6] 23. 37372 [13] 23. 71444 [13] 23. 145713 [9] 23. 151613 [8] 23. 151762 [14] 23. 154537 [34] 23. 239323 [15]
23. 254435 [67] 23. 461789; Century eater w/ cis house [8] 23. 496092 [14] 23. 571622 [5] 23. 643404 [14] 23. 643694 [5] 23. 838489 [11] 23. 932632 [13]
23. 933772 [13] 23. 968914 [10] 23. 1248415 [13] 23. 1371307 [14] 23. 1384807 [5] 23. 1463751 [13] 23. 1487132 [11]  

The Century eater is specifically designed to eat a century.


The 4051726 24-bit still-lifes

Unfortunately, due to space limitations, these cannot be shown.

Syntheses for 26 of these are shown.

24-bit still-lifes

24. 46433 [9] 24. 46435 [6] 24. 46481 [9] 24. 274188 [10] 24. 274195 [14] 24. 274324 [5] 24. 274653 [10] 24. 280038 [8] 24. 309001 [9]
24. 503479 [11] 24. 626031 [8] 24. 917821 [10] 24. 922231; B1 catalyst [20] 24. 969413 [9] 24. 977307 [8] 24. 1386148 [17] 24. 1937769 [18] 24. 1938060 [6]
24. 1938588 [16] 24. 1947251 [11] 24. 2442037 [9] 24. 3023457 [10] 24. 3023507 [11] 24. 3120588 [13] 24. 3687057 [14] 24. 3939184 [12]  

Bellman One (B1) is a specific eater found using Mike Playle's Bellman search program. (Actually, the name refers to the mechanism, rather than the form; the forms shown are the smallest currently known). It consists of a still-life and an eater, and is specifically designed to eat traffic-lights. A slight variant of it eats gliders instead.


10 25-bit still-lifes

25-bit still-lifes

Block and pre-block on Z on paperclip [10] B1 glider eater [21] B1 catalyst w/ loaf [20] Block on dock w/ curl and hand [10] Snake bridge tet on bookend [11] Carrier bridge tet on bookend [11] Paperclip w/ integral siamese very long snake [8] 25-bit still- life #2 [42] House on house bridge eater [7] 25-bit still- life #1 [9]

Bellman One (B1) is a specific eater found using Mike Playle's Bellman search program. (Actually, the name refers to the mechanism, rather than the form; the forms shown are the smallest currently known). It consists of a still-life and an eater, and is specifically designed to eat traffic-lights. A slight variant of it eats gliders instead.


23 26-bit still-lifes

26-bit still

26-bit still- life #1 [8] Long hands [10] Buckles [16] Cover and block on pre-blocks on Z [10] House on LOM on house [17] Four ships and domino [8] Beetle on house [8] 26-bit still- life #2 [7] Mickey [11]
House on ram w/ bun [8] House on house w/ claw and mango [8] Two pseudo- paper- clips [8] Eater bridge tet on bookend [9] Two blocks on long bookend siamese long bookend on block [10] Trans blocks on grate [28] Block and very long snake on pre- blocks on Z [10] 26-bit canoe [14]
B1 catalyst w/ mango [23] 26-bit still- life #3 [36] Up snakes on tied bookends [12] Up and down snakes on tied bookends [12] Down snakes on tied bookends [12] Block and beehive on tied down long bookends [13]  

Bellman One (B1) is a specific eater found using Mike Playle's Bellman search program. (Actually, the name refers to the mechanism, rather than the form; the forms shown are the smallest currently known). It consists of a still-life and an eater, and is specifically designed to eat traffic-lights. A slight variant of it eats gliders instead.


7 27-bit still-lifes

27-bit still-lifes

Bun on buckle on house [12] 27-bit still- life #3 [56] House on tables siamese loaves [13] 27-bit still- life #1 [13] Vase siamese hat [15] 27-bit still- life #2 [44] 27-bit still- life #4 [6]


20 28 bit still-lifes

28-bit still-lifes

28-bit still- life #1 [12] Two paper- clips on Z [10] Blocks on large honey- farms [9] Z quad- loaf [8] Blocks on extra extra extra long tables [9]
Extra long houses w/ tails [10] 28-bit still- life #2 [12] Claw on tied tables siamese tables [10] 28-bit still-life #4 [9] House on fly [8]
28-bit still- life #3 [11] Quad- loaf, O quad- loaf [6] Four blocks on square [16] Two down buns on large loaf siamese long barge [11] L quad- loaf [13]
Very long crab [12] Beehive on down long bookend tie up bookend on bun [13] Beehives on tied down long bookends [12] Block on dock tie dock on block [14] Half bakery w/ integrals w/ tubs [16]


3 29-bit still-lifes

29-bit still-lifes

Cover on pre-block on Z on paperclip [10] 29-bit still- life #1 [6] Long snake and pre-block on Z on paperclip [10]


41 still-lifes 30 bits and larger

larger still

Joined down sidewalks [7] Covers on pre-blocks on Z [10] 30-bit still- life #1 [9] Clips; Induct- ing docks w/ curls [8] Joined up and down side- walks [6] Joined up side- walks [6] Cover and very long snake on pre-blocks on Z [10]
Three blocks and beehive on square [16] Eater-3 catalyst [70] Block on up large omega w/ curly tail [7] Block on down large omega w/ curly tail [7] 31-bit still- life #1 [7] Snark still- life [42] 32-bit still- life #2 [8]
Sombreros [7] 32-bit still- life #1 [10] Ohi; Block and pond on extra extra extra long tables [8] Four butterflies; Light cross [7] Vase siamese bookends [11] Variant eater-3 catalyst [39] Houses on siamese honey- farms [8]
33-bit still- life #1 [38] Crowns [7] Skewed crowns [8] Ohio; Ponds on extra extra extra long tables [7] Four corner; Heavy cross [36] Four tables siamese loaves [30] Three tied boats w/ tail tie ship [9]
P penta- loaf [14] 39-bit still-life #1 [10] 40-bit still-life #1 [5] 40-bit still-life #2 [14] Four tied boats w/ tail [11] 40-bit still-life #3 [10] Houses on tied houses w/ boats [9]
Hexa-loaf #2 [24] Hexa-loaf #1 [24] Hexa-loaf #3 [24] Large tables siamese loaves [17] 44-bit still-life #1 [17] 60-bit still-life #1 [20]  



The 6 still-lifes buildable from 2 gliders

2-glider still-lifes

Block [2] Boat [2] Beehive [2] Loaf; Burloaf [2] Eater; Eater-1; Fishhook [2] Pond [2]


0

The 10 still-lifes buildable from 3 gliders

3-glider still-lifes

Tub; Diamond [3] Ship [3] Barge [3] Long boat [3] 8.3; Mango; Cigar [3] Long barge [3]
9.10; Hat [3] 9.1; Very long boat [3] 14.30; Paper- clip [3] 14.79; Half bakery; Loaf on loaf [3] 16.1749; Bi-pond; Pond tie pond [3]  


111 still-lifes buildable from 4 gliders

Due to space limitations, these and their syntheses are shown on a separate page.


114 still-lifes buildable from 5 gliders

Due to space limitations, these and their syntheses are shown on a separate page.


217 still-lifes buildable from 6 gliders

Due to space limitations, these and their syntheses are shown on a separate page.


The 11 still-lifes up to 14 bits costing 1 glider/bit

1 glider/bit still-lifes

Tub w/ very long tail siamese snake (14.100) [14] Snake bridge domino bridge trans snake (14.618) [14] Mango w/ bit tie boat (14.528) [14] Integral w/ tub siamese claw (14.97) [14] Eater siamese curl (14.480) [14] Snake siamese cis hook w/ tail (14.398) [14]
Block on snake siamese cis carrier (14.191) [14] Cis hook w/ tail siamese bun siamese tub (14.239) [14] Snake siamese beehive w/ hook (14.598) [14] Tub on table siamese snake (14.558) [14] Cis hook w/ tail siamese snake (14.552) [14]  

(NOTE: As the syntheses of the 15-bit still-lifes have not yet been completed, they are not yet included in this list.)


1 still-life up to 14 bits costing > 1 glider/bit

Buckingham completed the monumental task of synthesizing all objects up to 14 bits in the 1980s, and also reduced the costs of all still-lifes to no more than one glider per bit. In the 1990s, he further reduced these to strictly less than one glider per per bit (except 15 14-bit ones, of which only 12 still remain.)

Due to a bookkeeping oversight, one 14-bit still-life still requires one glider too many.

S gt.1g/b

Tub on table siamese cis carrier (14.352) [15]

(NOTE: As the syntheses of the 15-bit still-lifes have not yet been completed, they are not yet included in this list.)



The top 92 naturally-occurring still-lifes

naturally-occurring still-lifes



2 methuselahs whose censuses are period 1

still methuselahs

Handshake (@5); Lumps of muck (LOM) (@7) [2] Die hard [5]
Blockade (4 blocks) (@67) Death (@118)



5 Not quite still-lifes

not quite still

Short cis shillelagh [5] Beehive w/ long tail [8] Shil- lelagh head bridge boat [5] Block on extra long bookend [14] Up long table on shillelagh [6]



Related: still-lifes in multi-color Life.

Other types: still-lifes, pseudo-still-lifes, oscillators, pseudo-oscillators, oscillators by period, pseudo-oscillators by period, guns, multi-colored Life, basic spaceships and pseudo-spaceships, exotic spaceships, spaceships flotillae, puffers, constellations, methuselahs, not quite stable objects.

See also: Life objects sorted by: counts, frequency of occurrence, cost in gliders, name, size in bits, or type.

Home page | Life page

Copyright © 1997, 1998, 1999, 2013, 2014 by Mark. D. Niemiec. All rights reserved.
This page was last updated on 2015-02-19.