C111123313121111121111331333133313331311331311331333133322233131   >>    C11112331312111112111133133313331333131133131133133313332223313   <<    C111123313121111121111331333133313331311331311331333133322233133   >>      C111123313121111121111331333133313331311331311331333133322233132   >>