C31232233133313221211113313331333133313332321333131133132313331311312112223331   >>    C3123223313331322121111331333133313331333232133313113313231333131131211222333   <<    C31232233133313221211113313331333133313332321333131133132313331311312112223333   >>      C31232233133313221211113313331333133313332321333131133132313331311312112223332   >>