C31232233133313221211113313331333131211113313231311331323132211   >>    C3123223313331322121111331333133313121111331323131133132313221   <<    C31232233133313221211113313331333131211113313231311331323132213   >>      C31232233133313221211113313331333131211113313231311331323132212   >>