Searching for just one solution... Solution: Robot A: forward_1, rotate_right, forward_2, rotate_left +---+---+---+---+ +---+---+---+---+ +---+---+---+---+ +---+---+---+---+ +---+---+---+---+ | | | | | | | | | | | A> | | A> | | A | | | | | | | | | | v | | | | | + + + + + + + + + + + + + + + + + + + + + + + + + | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | + + + + + + + + + + + + + + + + + + + + + + + + + | | | | | | | | | | | | | | | | | A | | A> | | | | | | | | v | | | +---+---+---+---+ +---+---+---+---+ +---+---+---+---+ +---+---+---+---+ +---+---+---+---+