C3213322333133313113313221211113313331333131111331322121311123311   >>    C321332233313331311331322121111331333133313111133132212131112331   <<    C3213322333133313113313221211113313331333131111331322121311123313   >>      C3213322333133313113313221211113313331333131111331322121311123312   >>