Ultimate BF instruction minimalization! or UBFIM is a BF derivative with only 3 instructions made by BF enthusiast User:Wh1teWolf December 12, 2009. It uses an infinite tape for storage, each cell restricted to a 1-bit value. The language is the successor of Minifuck which may have 3 or 4 instructions (the description is vague as to whether no-op characters are instructions). It also has a resembl