C111123313121111121111331333133313331333133313331333133313331311331312312121321   >>    C11112331312111112111133133313331333133313331333133313331333131133131231212132   <<    C111123313121111121111331333133313331333133313331333133313331311331312312121323   >>      C111123313121111121111331333133313331333133313331333133313331311331312312121322   >>