C31232233133313221211113313331333133313331212111133131133132312111   >>    C3123223313331322121111331333133313331333121211113313113313231211   <<    C31232233133313221211113313331333133313331212111133131133132312113   >>      C31232233133313221211113313331333133313331212111133131133132312112   >>