C31232233133313221211113313331333131211113313231311331323131111211   >>    C3123223313331322121111331333133313121111331323131133132313111121   <<    C31232233133313221211113313331333131211113313231311331323131111213   >>      C31232233133313221211113313331333131211113313231311331323131111212   >>