C111112111133131121133133313331333133313331323133313331333133313331123211111211   >>    C11111211113313112113313331333133313331333132313331333133313331333112321111121   <<    C111112111133131121133133313331333133313331323133313331333133313331123211111213   >>      C111112111133131121133133313331333133313331323133313331333133313331123211111212   >>