# Change 1111 to 4. 0 _ 0 r 100 0 1 1 r 40 1 _ * l 4 2 _ 1 r 3 3 _ _ r 3 3 1 _ l 6 3 * _ l 7 4 _ 1 r 5 4 0 1 r 5 4 1 2 r 5 4 2 3 r 5 4 3 4 r 5 4 4 5 r 5 4 5 6 r 5 4 6 7 r 5 4 7 8 r 5 4 8 9 r 5 4 9 0 l 4 5 * * r 3 5 0 0 r 5 5 1 1 r 5 5 2 2 r 5 5 3 3 r 5 5 4 4 r 5 5 5 5 r 5 5 6 6 r 5 5 7 7 r 5 5 8 8 r 5 5 9 9 r 5 6 _ _ l 6 6 * * l 4 7 _ _ l 7 7 * _ l 7 40 1 1 r 40 #Put an end of string marker 40 _ * l 41 41 1 1 l 41 #Goto lefthand 1 41 _ _ r 42 42 1 _ l 1