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FrainBuck-- is a 2-dimemsional programming language created by User:Xi-816. It's a BrainFuck derivative, but it has only 4 commands.

Command Description
+ Add 1 to current cell, then modulo 256
: If current cell's value is even, change direction's pointer to left, and go to next cell, else, change direction's pointer to right, and go to previous cell
~ Turn right
$ Output as an ASCII character