C31232233133313221211113313331333131211113313231311331323132322131211   >>    C3123223313331322121111331333133313121111331323131133132313232213121   <<    C31232233133313221211113313331333131211113313231311331323132322131213   >>      C31232233133313221211113313331333131211113313231311331323132322131212   >>