T-and-Tub
x=64, y = 64, rule = B2cik3-cijn4cknqr5-anqy6ekn7/S1c2acn3-aijq4cjktw5ejny6aen7c8
! #C [[ THEME Inverse ]]
#C [[ RANDOMIZE2 THUMBLAUNCH THUMBNAIL THUMBSIZE 2 GRID ZOOM 6 WIDTH 600 HEIGHT 600 LABEL 90 -20 2 "#G" AUTOSTART PAUSE 2 GPS 8 LOOP 256 ]]
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LifeViewer -generated pseudorandom soup
Rulestring
1c2acn3-aijq4cjktw5ejny6aen7c8/2cik3-cijn4cknqr5-anqy6ekn7 B2cik3-cijn4cknqr5-anqy6ekn7/S1c2acn3-aijq4cjktw5ejny6aen7c8
Character
Stable
T-and-Tub is an INT rule. It is designed to make construction easy, using only T-ships and tubs.
There is a geminoid and an orthogonoid in this rule.
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Patterns
The two most important patterns in this rule are the T-ship (abbreviated to T) and tub, which are shown here:
x = 11, y = 3, rule = B2cik3-cijn4cknqr5-anqy6ekn7/S1c2acn3-aijq4cjktw5ejny6aen7c8
bo7bo$3o5bobo$9bo!
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The tub functions as a parity-changing splitter for a T on lane 0, as well as an eater (when the T is on lane 2). Specially, when you place 2 tubs 4 cells apart, the second will preserve the parity. Here are all reactions, demonstrated.
x = 15, y = 17, rule = B2cik3-cijn4cknqr5-anqy6ekn7/S1c2acn3-aijq4cjktw5ejny6aen7c8
11bo$10bobo$11bo5$o10bo$2o8bobo$o10bo5$13bo$12bobo$13bo!
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In addition, tubs can be removed by a single T at lane 3 or 4, as well as pushed by a single T or pulled by 2 Ts 14 generations apart, at lane 2:
x = 44, y = 22, rule = B2cik3-cijn4cknqr5-anqy6ekn7/S1c2acn3-aijq4cjktw5ejny6aen7c8
2bo11bo11bo11bo$bobo9bobo9bobo9bobo$2bo11bo11bo11bo11$bo11bo15bo12bo$
3o9b3o13b3o10b3o6$13bo$12b3o!
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External links