C1111121111331311211331333133313331311312111133133313331333132322333221   >>    C111112111133131121133133313331333131131211113313331333133313232233322   <<    C1111121111331311211331333133313331311312111133133313331333132322333223   >>      C1111121111331311211331333133313331311312111133133313331333132322333222   >>