C31232233133313221211113313331333133313332213121111331311331323113111   >>    C3123223313331322121111331333133313331333221312111133131133132311311   <<    C31232233133313221211113313331333133313332213121111331311331323113113   >>      C31232233133313221211113313331333133313332213121111331311331323113112   >>