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_0LD1LA_1RE0RD_1RA1LF_---0RB_0LF1LB
Status: Undecided
Machine code:
01
A 1RB1RC
B 0LD1LA
C 1RE0RD
D 1RA1LF
E ---0RB
F 0LF1LB
Std format: 1RB1RC_0LD1LA_1RE0RD_1RA1LF_---0RB_0LF1LB
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: