C31232233133313221211113313331333132313331322121111331311222132331   >>    C3123223313331322121111331333133313231333132212111133131122213233   <<    C31232233133313221211113313331333132313331322121111331311222132333   >>      C31232233133313221211113313331333132313331322121111331311222132332   >>