Tc2

tc2 is a turing complete esolang with only two instructions. It was designed by User:Tommyaweosme.

Commands

a - move command pointer one
b - execute command

The command pointer can go through these Brainfuck commands.

+-<>.,[]

Turing-completeness proof

+ b
- ab
< aab
> aaab
. aaaab
, aaaaab
[ aaaaaab
] aaaaaaab