C31232233133313221211113313331333133313331212111133133313132322132331   >>    C3123223313331322121111331333133313331333121211113313331313232213233   <<    C31232233133313221211113313331333133313331212111133133313132322132333   >>      C31232233133313221211113313331333133313331212111133133313132322132332   >>