Choose challenge
Challenge goal
Setting the challenge's goal is work in progress.
Meanwhile, you can browse a list of interesting 6-state 2-symbol machines.
What is this?
·
Visualization:
Machine
1RB1RC_1LA0LE_1RD1RC_1LB0RA_---0LF_1RD1LF
Status: Undecided
Machine code:
01
A 1RB1RC
B 1LA0LE
C 1RD1RC
D 1LB0RA
E ---0LF
F 1RD1LF
Std format: 1RB1RC_1LA0LE_1RD1RC_1LB0RA_---0LF_1RD1LF
Copy code for https://turingmachine.io/
Change machine:
Highlighted machines
BB(6) champion:
·  >25> 2\uparrow\uparrow\uparrow 5-halter [mxdys, 2025]
Other halting machines:
·  1011010000\simeq 10\uparrow\uparrow 11010000-halter [mxdys, 2025]
·  1015\simeq 10\uparrow\uparrow 15-halter [Kropitz, 2022]
6-state 2-symbol Cryptids: