C31232233133313221211113313331333133313332213121111331311311331   >>    C3123223313331322121111331333133313331333221312111133131131133   <<    C31232233133313221211113313331333133313332213121111331311311333   >>      C31232233133313221211113313331333133313332213121111331311311332   >>