C111112111133131121133133313331333133313331312111133133313331333121322121   >>    C11111211113313112113313331333133313331333131211113313331333133312132212   <<    C111112111133131121133133313331333133313331312111133133313331333121322123   >>      C111112111133131121133133313331333133313331312111133133313331333121322122   >>