A0
        →   A1
        →   A2
        →   A3
        →   
B0
        →   B1
        →   B2
        →   B3
        →   
C0
        →   C1
        →   C2
        →   C3
        →   
See also
- The 43 Skelets
- Random BB(6) holdout (as of July 2025)
- Batch Turing machine visualizer