C31232233133313221211113313331333131211113313231311331323312112111   >>    C3123223313331322121111331333133313121111331323131133132331211211   <<    C31232233133313221211113313331333131211113313231311331323312112113   >>      C31232233133313221211113313331333131211113313231311331323312112112   >>