C31232233133313221211113313331333133313332213121111331311331322331311233211   >>    C3123223313331322121111331333133313331333221312111133131133132233131123321   <<    C31232233133313221211113313331333133313332213121111331311331322331311233213   >>      C31232233133313221211113313331333133313332213121111331311331322331311233212   >>