C3213322333133313113313221211113313331333133313112212132311232233221   >>    C321332233313331311331322121111331333133313331311221213231123223322   <<    C3213322333133313113313221211113313331333133313112212132311232233223   >>      C3213322333133313113313221211113313331333133313112212132311232233222   >>