C31232233133313221211113313331311331333133313331331123231132311   >>    C3123223313331322121111331333131133133313331333133112323113231   <<    C31232233133313221211113313331311331333133313331331123231132313   >>      C31232233133313221211113313331311331333133313331331123231132312   >>