See also

• The 43 Skelets
• Random BB(6) holdout (as of 2025/1/31)
• Batch Turing machine visualizer

Collections

• skelets
• 2-non-tcyclers
• 3-bouncers
• 3-counters
• 3-bells
• 4-tcyclers
• 4-hard-bouncers
• 4-bells
• 4-counters
• 4-bouncer+x
• 4-bounce-counters
• 4-cubic-bounce-counters
• 4-fractals
• 4-tetration-counters
• 4-irregular-bells
• 4-chaotic-counters
• 4-spaghettis
• bb6-holdouts

Note: bb6-holdouts will take about 20 seconds to load.

Permutations

• BCAD • 1RB1LC_1LC0RB_1RA0LD_1RA1LA
• CDBA • 1RB1LB_1RC1LD_1LD0RC_1RB0LA
• DABC • 1RB0LC_1RD1LA_1RB1LB_1LA0RD