C3213322333133313113313221211113313331333131111331322222113212131   >>    C321332233313331311331322121111331333133313111133132222211321213   <<    C3213322333133313113313221211113313331333131111331322222113212133   >>      C3213322333133313113313221211113313331333131111331322222113212132   >>