C31232233133313221211113313331333133313331212111133231311211311   >>    C3123223313331322121111331333133313331333121211113323131121131   <<    C31232233133313221211113313331333133313331212111133231311211313   >>      C31232233133313221211113313331333133313331212111133231311211312   >>