C31232233133313221211113313331333133313113311331333131133133323331333231   >>    C3123223313331322121111331333133313331311331133133313113313332333133323   <<    C31232233133313221211113313331333133313113311331333131133133323331333233   >>      C31232233133313221211113313331333133313113311331333131133133323331333232   >>