C31232233133313221211113313331333133313113311331333131121111212321   >>    C3123223313331322121111331333133313331311331133133313112111121232   <<    C31232233133313221211113313331333133313113311331333131121111212323   >>      C31232233133313221211113313331333133313113311331333131121111212322   >>