C31232233133313221211113313331333131211113313231311331323221211113313232331   >>    C3123223313331322121111331333133313121111331323131133132322121111331323233   <<    C31232233133313221211113313331333131211113313231311331323221211113313232333   >>      C31232233133313221211113313331333131211113313231311331323221211113313232332   >>