C31232233133313221211113313331333133313113311331333131333131231211321   >>    C3123223313331322121111331333133313331311331133133313133313123121132   <<    C31232233133313221211113313331333133313113311331333131333131231211323   >>      C31232233133313221211113313331333133313113311331333131333131231211322   >>