C111112111133131121133133313331333133313331323133313331331123313112111   >>    C11111211113313112113313331333133313331333132313331333133112331311211   <<    C111112111133131121133133313331333133313331323133313331331123313112113   >>      C111112111133131121133133313331333133313331323133313331331123313112112   >>