C3213322333133313113313221211113313331333131111331322231232233212321   >>    C321332233313331311331322121111331333133313111133132223123223321232   <<    C3213322333133313113313221211113313331333131111331322231232233212323   >>      C3213322333133313113313221211113313331333131111331322231232233212322   >>