C31232233133313221211113313331333133313332213121111331313112111   >>    C3123223313331322121111331333133313331333221312111133131311211   <<    C31232233133313221211113313331333133313332213121111331313112113   >>      C31232233133313221211113313331333133313332213121111331313112112   >>