Difference between revisions of "OCA:Day & Night"

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m (Stator reduction of p15.)
(2718281828's new 2c/5)
Line 55: Line 55:
 
! [[2c/5 orthogonal|2c/5]]
 
! [[2c/5 orthogonal|2c/5]]
 
| orthogonal
 
| orthogonal
| [http://www.conwaylife.com/forums/viewtopic.php?f=11&t=702&p=73855#p73855 276P5H2V0]
+
| [http://www.conwaylife.com/forums/viewtopic.php?f=11&p=73906#p73906 254P5H2V0]
| [[:Category:Patterns with 276 cells|276]]
+
| [[:Category:Patterns with 254 cells|254]]
 
|-
 
|-
 
! [[c/3 orthogonal|c/3]]
 
! [[c/3 orthogonal|c/3]]
Line 128: Line 128:
 
A collection of these ships:
 
A collection of these ships:
 
{{EmbedViewer
 
{{EmbedViewer
|rle = x = 350, y = 81, rule = B3678/S34678
+
|rle = x = 349, y = 81, rule = B3678/S34678
b4ob2o12bo8bo17b2o2b2o2b2o16bo5bo10b4o6b4o7bo4bobo4bo8bo2bo5bo2bo15bo
+
b4ob2o12bo8bo16b4o3b4o15bo5bo10b4o6b4o7bo4bobo4bo8bo2bo5bo2bo15bo16bo
16bo5bo14b2o14b3o2b3o13b3o15b2o30b2o27b3o2b2o21bo$obo3b3o10b3o6b3o14b
+
5bo14b2o14b3o2b3o13b3o15b2o30b2o27b3o2b2o21bo$obo3b3o10b3o6b3o14bob2ob
2obob4obob2o11b5o3b5o8b2o3b2o3b2o8b2o3b3o3b2o8b2ob2o3b2ob2o14bobo14bob
+
obob2obo11b5o3b5o8b2o3b2o3b2o8b2o3b3o3b2o8b2ob2o3b2ob2o14bobo14bobo3bo
o3bobo13b2o12bob2o4b2obo10b3obo12b3obo27bob3o24bo3b5o21b3o$5ob4o8b4o6b
+
bo13b2o12bob2o4b2obo10b3obo12b3obo27bob3o24bo3b5o21b3o$5ob4o8b4o6b4o
4o12bobo2b2o2b2o2bobo10b4ob3ob4o8bo2b2o2b2o2bo9b2o2b3o2b2o8b2o4bobo4b
+
12b2o3b5o3b2o10b4ob3ob4o8bo2b2o2b2o2bo9b2o2b3o2b2o8b2o4bobo4b2o13b3o
2o13b3o14b3o3b3o26b14o12b2o12b5o28b4o24b3o2b3o22b4o$4b5o12b2o4b2o16bo
+
14b3o3b3o26b14o12b2o12b5o28b4o24b3o2b3o22b4o$4b5o12b2o4b2o14bo2b2o2bob
2b2ob2ob2o2bo11bob2o5b2obo9b10o12b2o3b2o10b3o2b5o2b3o13bobo33b2ob2ob2o
+
o2b2o2bo9bob2o5b2obo9b10o12b2o3b2o10b3o2b5o2b3o13bobo33b2ob2ob2o9bo4b
9bo4b2o4bo13b2o12b5o28b2o26b5ob2o25b2o$b2o2bo3bo7bo6b2o6bo14bo8bo14b2o
+
2o4bo13b2o12b5o28b2o26b5ob2o25b2o$b2o2bo3bo7bo6b2o6bo9b2ob3o7b3ob2o9b
7b2o11b8o14b2ob2o12bobob5obobo31b2o5b2o9b2o2b2o2b2o8b2ob2o2b2ob2o13bo
+
2o7b2o11b8o14b2ob2o12bobob5obobo31b2o5b2o9b2o2b2o2b2o8b2ob2o2b2ob2o13b
11b5o27b3o2bo25bob2obob2o21bob4o$18b4o6b4o13b2obo6bob2o11bobo7bobo11bo
+
o11b5o27b3o2bo25bob2obob2o21bob4o$18b4o6b4o18b3o16bobo7bobo11bob2obo
b2obo15b5o55b2o7b2o9b8o11bobo2bobo28bob3o25bob2o27bob5o2bo20bo3bob2o$
+
15b5o55b2o7b2o9b8o11bobo2bobo28bob3o25bob2o27bob5o2bo20bo3bob2o$20b2ob
20b2ob4ob2o12b2obob2o6b2obob2o7b2o11b2o11bo2bo34bo9bo31bob2o3b2obo10b
+
4ob2o11b4o5b3o5b4o6b2o11b2o11bo2bo34bo9bo31bob2o3b2obo10b6o13b2o2b2o
6o13b2o2b2o27b2obo27bobobo28b2ob4obo16b2obo6b2o$20b10o11b2obob2ob6ob2o
+
27b2obo27bobobo28b2ob4obo16b2obo6b2o$20b10o11bo2bo2bobobobobo2bo2bo31b
bob2o31b2o2b2o17bo41b3o15bobobobo10bob6obo10b8o24bob2o28bobobo27b6ob2o
+
2o2b2o17bo41b3o15bobobobo10bob6obo10b8o24bob2o28bobobo27b6ob2o18bobob
18bobob2o2bob3o$21b8o11bo3bo2bob2o2b2obo2bo3bo28b3o4b3o57b3o15b2o3b2o
+
2o2bob3o$21b8o13b2o3bo3bo3bo3b2o30b3o4b3o57b3o15b2o3b2o12b6o13bob2obo
12b6o13bob2obo26bobo27bobobo29bob2ob4o17b2o2b2obo$18b2o2b6o2b2o9b3ob3o
+
26bobo27bobobo29bob2ob4o17b2o2b2obo$18b2o2b6o2b2o10b8obob8o29b3obo2bob
b6ob3ob3o28b3obo2bob3o54bo2bo2bo15bobo15b4o15bo2bo26bobo27bobobo27bo2b
+
3o54bo2bo2bo15bobo15b4o15bo2bo26bobo27bobobo27bo2b3obo22bobo2bo$17b3o
3obo22bobo2bo$17b3o2b6o2b3o8bo3b2ob8ob2o3bo27b5o4b5o52bob5obo32b4o74bo
+
2b6o2b3o10bo2bo3bobo3bo2bo29b5o4b5o52bob5obo32b4o74bobobo24b3ob3o2bo
bobo24b3ob3o2bo25bo2bo$17bo2bob6obo2bo9b3obob8obob3o28b5o4b5o52b9o12b
+
25bo2bo$17bo2bob6obo2bo13bo9bo32b5o4b5o52b9o12b2obob2o13b4o14bo4bo52b
2obob2o13b4o14bo4bo52b2obobo26b4obo29b2obo$17b4obob2obob4o11bo2b10o2bo
+
2obobo26b4obo29b2obo$17b4obob2obob4o13bob2o3b2obo32bob10obo49b4ob5ob4o
30bob10obo49b4ob5ob4o9b7o11b2ob2ob2o12b2o2b2o52bobobo24b10o29b3o$15b3o
+
9b7o11b2ob2ob2o12b2o2b2o52bobobo24b10o29b3o$15b3ob12ob3o8bo5bo3bo5bo
b12ob3o10bob10obo33b10o51b2obob5obob2o10b5o13bob2obo12bobo2bobo52bobo
+
31b10o51b2obob5obob2o10b5o13bob2obo12bobo2bobo52bobo23bob8o$17b4o3b2o
23bob8o$17b4o3b2o3b4o10b2o2b10o2b2o31b10o52b2o4bo4b2o9b3o3b3o10bo6bo9b
+
3b4o9b3o4bo3bo4b3o30b10o52b2o4bo4b2o9b3o3b3o10bo6bo9b5o2b5o48b2ob2o23b
5o2b5o48b2ob2o23b11o$17b16o10bo5b6o5bo34bo2bo61bo13b3o7b3o11b2o14b3o2b
+
11o$17b16o9b2ob4o5b4ob2o33bo2bo61bo13b3o7b3o11b2o14b3o2b3o51bo25bob10o
3o51bo25bob10o$20bo3b2o3bo14b2o2b8o2b2o36b2o77b5ob5o11b4o13b8o49bo26bo
+
$20bo3b2o3bo14bo2bobo3bobo2bo36b2o77b5ob5o11b4o13b8o49bo26bob9obo$23b
b9obo$23b4o17bob2ob6ob2obo35b4o78b7o14b2o11b3o3b2o3b3o45b2o26b11o$21b
+
4o16b3obobo3bobob3o34b4o78b7o14b2o11b3o3b2o3b3o45b2o26b11o$21b8o14b6o
8o13bobo5b4o5bobo29b2o3b2o3b2o72b11o11bo2bo11bo2bo4bo2bo42bo3bo25bo2b
+
5b6o30b2o3b2o3b2o72b11o11bo2bo11bo2bo4bo2bo42bo3bo25bo2b10o$21b8o16b3o
10o$21b8o14bob3o3b2o3b3obo30b3ob4ob3o76b3o15b4o11b2obob2obob2o41b4o28b
+
7b3o32b3ob4ob3o76b3o15b4o11b2obob2obob2o41b4o28b2o2b6o$19bob8obo12b7o
2o2b6o$19bob8obo11bobobobo2b2o2bobobobo29b4ob2ob4o75b5o15b2o12b3ob4ob
+
3b7o30b4ob2ob4o75b5o15b2o12b3ob4ob3o38b7o27bo2bo2b3ob2o$19bob8obo11b8o
3o38b7o27bo2bo2b3ob2o$19bob8obo10b2ob3obo6bob3ob2o27bo3b6o3bo75b3o14b
+
3b8o28bo3b6o3bo75b3o14b6o12bob4obo40b3o4bo26b5ob2obo$18b14o12b5o5b5o
6o12bob4obo40b3o4bo26b5ob2obo$18b14o9bob3obo8bob3obo30b3o2b3o95bob2obo
+
33b3o2b3o95bob2obo12b8o39bob4o31b2obob2o$17b16o9b8o3b8o31bobo2bobo92b
12b8o39bob4o31b2obob2o$17b16o12b3o8b3o34bobo2bobo92b2o2b4o2b2o8b10o39b
+
2o2b4o2b2o8b10o39b5o30bobobo$19b12o11b2o3bo7bo3b2o31bo6bo91bo2b8o2bo8b
5o30bobobo$19b12o17b3o2b3o37bo6bo91bo2b8o2bo8b8o41b2o34b2obo$20b10o18b
+
8o41b2o34b2obo$20b10o10bobobo13bobobo30bo4bo92b14o6b12o39b2o$20b10o11b
2ob2ob2o38bo4bo92b14o6b12o39b2o$20b10o19b6o35bo3bo4bo3bo89b12o7b2ob6ob
+
o2bo13bo2bo27bo3bo4bo3bo89b12o7b2ob6ob2o40bo$19bob8obo12b3o11b3o29b3ob
2o40bo$19bob8obo16b2o2b2o2b2o33b3obo4bob3o88bob10obo$22b6o22bo2bo36b3o
+
o4bob3o88bob10obo$22b6o14b4o11b4o28b3o8b3o89b12o$20bob6obo13bob2o9b2ob
8b3o89b12o$20bob6obo62bo8bo91bo3bo2bo3bo11b4o$21b8o60bo3bo6bo3bo110b6o
+
o31bo8bo91bo3bo2bo3bo11b4o$21b8o59bo3bo6bo3bo110b6o$19bo2b6o2bo58b2obo
$19bo2b6o2bo59b2obo6bob2o92b6o14b4o$22b6o62b3obob2obob3o91b8o11b2o4b2o
+
6bob2o92b6o14b4o$22b6o61b3obob2obob3o91b8o11b2o4b2o$20bob6obo65b2o97bo
$20bob6obo66b2o97bo2b2o2bo11bobo2bobo$22b2o2b2o63bobobo2bobobo92bo2b2o
+
2b2o2bo11bobo2bobo$22b2o2b2o62bobobo2bobobo92bo2b2o2bo11b2ob2ob2o$21bo
2bo11b2ob2ob2o$21bo6bo62b2o2bo2bo2b2o94bo2bo$21b3o2b3o62b5o2b5o113bo2b
+
6bo61b2o2bo2bo2b2o94bo2bo$21b3o2b3o61b5o2b5o113bo2bo$19bo2bob2obo2bo
o$19bo2bob2obo2bo62b3o2b3o115bo2bo$20bobo4bobo61bob8obo114b2o$17bob5o
+
61b3o2b3o115bo2bo$20bobo4bobo60bob8obo114b2o$17bob5o2b5obo56bo4b4o4bo$
2b5obo57bo4b4o4bo$17b5obo2bob5o57bobo2b4o2bobo$16bob3o8b3obo56b5ob2ob
+
17b5obo2bob5o56bobo2b4o2bobo$16bob3o8b3obo55b5ob2ob5o$17b2ob2o6b2ob2o
5o$17b2ob2o6b2ob2o60b2o4b2o$16bo3bo8bo3bo57bo2bo4bo2bo$16bobo12bobo57b
+
59b2o4b2o$16bo3bo8bo3bo56bo2bo4bo2bo$16bobo12bobo56b3o6b3o2$16b2ob2o8b
3o6b3o2$16b2ob2o8b2ob2o$17bo2b2o6b2o2bo$16bo2b3o6b3o2bo$18b5o4b5o$16b
+
2ob2o$17bo2b2o6b2o2bo$16bo2b3o6b3o2bo$18b5o4b5o$16b6o6b6o$16b5o8b5o$
6o6b6o$16b5o8b5o$16bob4o6b4obo$18b2obo6bob2o$17b2o12b2o$17bo14bo$16b3o
+
16bob4o6b4obo$18b2obo6bob2o$17b2o12b2o$17bo14bo$16b3obo8bob3o$16b3o12b
bo8bob3o$16b3o12b3o$15b6o8b6o$15b3obobo6bobob3o$16b3ob2o6b2ob3o$15b3o
+
3o$15b6o8b6o$15b3obobo6bobob3o$16b3ob2o6b2ob3o$15b3o5bo2bo5b3o$15b3obo
5bo2bo5b3o$15b3obo2b6o2bob3o$17bo2b10o2bo$19b12o$20b10o$20bob6obo$20b
+
2b6o2bob3o$17bo2b10o2bo$19b12o$20b10o$20bob6obo$20b10o$23bo2bo$21b8o$
10o$23bo2bo$21b8o$21b2ob2ob2o$21bobo2bobo$23bo2bo$21b3o2b3o$20b2obo2bo
+
21b2ob2ob2o$21bobo2bobo$23bo2bo$21b3o2b3o$20b2obo2bob2o$19b2obo4bob2o$
b2o$19b2obo4bob2o$19bob3o2b3obo$19b2obo4bob2o$21b2o4b2o$18bo12bo$19b2o
+
19bob3o2b3obo$19b2obo4bob2o$21b2o4b2o$18bo12bo$19b2o8b2o!
8b2o!
 
 
|position = center}}
 
|position = center}}
  

Revision as of 01:14, 26 March 2019

Day & Night
Day & Night rule
Rulestring 34678/3678
B3678/S34678
Rule integer 242120
Character Stable
Black/white reversal B3678/S34678
Strobing equivalent B01245/S0125

Day & Night is a Life-like cellular automaton in which cells survive from one generation to the next if they have 3, 6, 7, or 8 neighbours, and are born if they have 3, 4, 6, 7, or 8 neighbours.

Day & Night is the most well-known self-complementary rule; that is, if all grid cells have their on/off state exchanged, the history of the pattern is the inverse of the history of the original.

Nathan Thompson explored the rule starting in April 1997, and David Bell discussed the rule in detail the following November.

The rule is rich in spaceships, puffers, and oscillators.

Oscillators

Day & Night is home to many different periods of oscillators. Here are the smallest known examples of each period up to 16:

x = 191, y = 16, rule = B3678/S34678 2o5bo28b2o9b2o56b2o83bo$2o5b2o5b4o7bo8b4o9b2o10bobo20b2o5b2o14b2o17bo 2bo9bobo7b2o9b3o28b2o$8bo6b2o7b3o7b6o6b5o7b6o6b5o6b3o5b3o13b2o17b3obo 9bo8b2o10b2o28b2o$15b2o8bo10b4o7b4o7b6o7b3o7b2o7b2o12bo2bo16b5o8bo11bo 9bo3bo7b2ob2o4b2o$15b2o18bob2o9bo9bo2b2o23bo36b5o8b2ob2o9b2o11b2o6b4o 3b4o$14b4o19b2o22b3o21b3o34b5o12bo10b2o11b2o7b9o$60b3o9bo11b5o12bo2b4o 2bo10b5o12bo32b4o3b4o$70b2o13b3o10b3o3b4o3b3o7bob3o11bobo31b2o4b2ob2o$ 72bo13bo11b3o3b4o3b3o8bo2bo$70bo10b2o7b2o9bo2b4o2bo$71b2o8b3o5b3o$70bo 11b2o5b2o$104bo2bo$105b2o$105b2o$105b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]]
(click above to open LifeViewer)

Spaceships

Many periods of C/2 spaceships are known, but different reduced speeds are common as well. The S8 transition allows many of the spaceships in Day & Night to be stable.

Elementary

Speed Direction Smallest known Minimum # of cells
c/2 orthogonal 29P2H1V0 29
3c/7 orthogonal 584P7H3V0 584
2c/5 orthogonal 254P5H2V0 254
c/3 orthogonal 41P3H1V0 41
2c/7 orthogonal 290P7H2V0 290
c/4 orthogonal 32P4H1V0 32
c/5 orthogonal 40P5H1V0 40
c/6 orthogonal 63P6H1V0 63
c/7 orthogonal 104P7H1V0 104
c/8 orthogonal 190P8H1V0 190
c/9 orthogonal 212P9H1V0 212
c/3 diagonal 12P3H1V1(Butterfly) 12
c/4 diagonal 35P4H1V1 35
c/5 diagonal 83P5H1V1 83
c/6 diagonal 184P6H1V1 184
c/7 diagonal 48P7H1V1 48

A collection of these ships:

x = 349, y = 81, rule = B3678/S34678 b4ob2o12bo8bo16b4o3b4o15bo5bo10b4o6b4o7bo4bobo4bo8bo2bo5bo2bo15bo16bo 5bo14b2o14b3o2b3o13b3o15b2o30b2o27b3o2b2o21bo$obo3b3o10b3o6b3o14bob2ob obob2obo11b5o3b5o8b2o3b2o3b2o8b2o3b3o3b2o8b2ob2o3b2ob2o14bobo14bobo3bo bo13b2o12bob2o4b2obo10b3obo12b3obo27bob3o24bo3b5o21b3o$5ob4o8b4o6b4o 12b2o3b5o3b2o10b4ob3ob4o8bo2b2o2b2o2bo9b2o2b3o2b2o8b2o4bobo4b2o13b3o 14b3o3b3o26b14o12b2o12b5o28b4o24b3o2b3o22b4o$4b5o12b2o4b2o14bo2b2o2bob o2b2o2bo9bob2o5b2obo9b10o12b2o3b2o10b3o2b5o2b3o13bobo33b2ob2ob2o9bo4b 2o4bo13b2o12b5o28b2o26b5ob2o25b2o$b2o2bo3bo7bo6b2o6bo9b2ob3o7b3ob2o9b 2o7b2o11b8o14b2ob2o12bobob5obobo31b2o5b2o9b2o2b2o2b2o8b2ob2o2b2ob2o13b o11b5o27b3o2bo25bob2obob2o21bob4o$18b4o6b4o18b3o16bobo7bobo11bob2obo 15b5o55b2o7b2o9b8o11bobo2bobo28bob3o25bob2o27bob5o2bo20bo3bob2o$20b2ob 4ob2o11b4o5b3o5b4o6b2o11b2o11bo2bo34bo9bo31bob2o3b2obo10b6o13b2o2b2o 27b2obo27bobobo28b2ob4obo16b2obo6b2o$20b10o11bo2bo2bobobobobo2bo2bo31b 2o2b2o17bo41b3o15bobobobo10bob6obo10b8o24bob2o28bobobo27b6ob2o18bobob 2o2bob3o$21b8o13b2o3bo3bo3bo3b2o30b3o4b3o57b3o15b2o3b2o12b6o13bob2obo 26bobo27bobobo29bob2ob4o17b2o2b2obo$18b2o2b6o2b2o10b8obob8o29b3obo2bob 3o54bo2bo2bo15bobo15b4o15bo2bo26bobo27bobobo27bo2b3obo22bobo2bo$17b3o 2b6o2b3o10bo2bo3bobo3bo2bo29b5o4b5o52bob5obo32b4o74bobobo24b3ob3o2bo 25bo2bo$17bo2bob6obo2bo13bo9bo32b5o4b5o52b9o12b2obob2o13b4o14bo4bo52b 2obobo26b4obo29b2obo$17b4obob2obob4o13bob2o3b2obo32bob10obo49b4ob5ob4o 9b7o11b2ob2ob2o12b2o2b2o52bobobo24b10o29b3o$15b3ob12ob3o8bo5bo3bo5bo 31b10o51b2obob5obob2o10b5o13bob2obo12bobo2bobo52bobo23bob8o$17b4o3b2o 3b4o9b3o4bo3bo4b3o30b10o52b2o4bo4b2o9b3o3b3o10bo6bo9b5o2b5o48b2ob2o23b 11o$17b16o9b2ob4o5b4ob2o33bo2bo61bo13b3o7b3o11b2o14b3o2b3o51bo25bob10o $20bo3b2o3bo14bo2bobo3bobo2bo36b2o77b5ob5o11b4o13b8o49bo26bob9obo$23b 4o16b3obobo3bobob3o34b4o78b7o14b2o11b3o3b2o3b3o45b2o26b11o$21b8o14b6o 5b6o30b2o3b2o3b2o72b11o11bo2bo11bo2bo4bo2bo42bo3bo25bo2b10o$21b8o16b3o 7b3o32b3ob4ob3o76b3o15b4o11b2obob2obob2o41b4o28b2o2b6o$19bob8obo12b7o 3b7o30b4ob2ob4o75b5o15b2o12b3ob4ob3o38b7o27bo2bo2b3ob2o$19bob8obo11b8o 3b8o28bo3b6o3bo75b3o14b6o12bob4obo40b3o4bo26b5ob2obo$18b14o12b5o5b5o 33b3o2b3o95bob2obo12b8o39bob4o31b2obob2o$17b16o9b8o3b8o31bobo2bobo92b 2o2b4o2b2o8b10o39b5o30bobobo$19b12o11b2o3bo7bo3b2o31bo6bo91bo2b8o2bo8b 8o41b2o34b2obo$20b10o10bobobo13bobobo30bo4bo92b14o6b12o39b2o$20b10o11b o2bo13bo2bo27bo3bo4bo3bo89b12o7b2ob6ob2o40bo$19bob8obo12b3o11b3o29b3ob o4bob3o88bob10obo$22b6o14b4o11b4o28b3o8b3o89b12o$20bob6obo13bob2o9b2ob o31bo8bo91bo3bo2bo3bo11b4o$21b8o59bo3bo6bo3bo110b6o$19bo2b6o2bo58b2obo 6bob2o92b6o14b4o$22b6o61b3obob2obob3o91b8o11b2o4b2o$20bob6obo65b2o97bo 2b2o2bo11bobo2bobo$22b2o2b2o62bobobo2bobobo92bo2b2o2bo11b2ob2ob2o$21bo 6bo61b2o2bo2bo2b2o94bo2bo$21b3o2b3o61b5o2b5o113bo2bo$19bo2bob2obo2bo 61b3o2b3o115bo2bo$20bobo4bobo60bob8obo114b2o$17bob5o2b5obo56bo4b4o4bo$ 17b5obo2bob5o56bobo2b4o2bobo$16bob3o8b3obo55b5ob2ob5o$17b2ob2o6b2ob2o 59b2o4b2o$16bo3bo8bo3bo56bo2bo4bo2bo$16bobo12bobo56b3o6b3o2$16b2ob2o8b 2ob2o$17bo2b2o6b2o2bo$16bo2b3o6b3o2bo$18b5o4b5o$16b6o6b6o$16b5o8b5o$ 16bob4o6b4obo$18b2obo6bob2o$17b2o12b2o$17bo14bo$16b3obo8bob3o$16b3o12b 3o$15b6o8b6o$15b3obobo6bobob3o$16b3ob2o6b2ob3o$15b3o5bo2bo5b3o$15b3obo 2b6o2bob3o$17bo2b10o2bo$19b12o$20b10o$20bob6obo$20b10o$23bo2bo$21b8o$ 21b2ob2ob2o$21bobo2bobo$23bo2bo$21b3o2b3o$20b2obo2bob2o$19b2obo4bob2o$ 19bob3o2b3obo$19b2obo4bob2o$21b2o4b2o$18bo12bo$19b2o8b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]]
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