C111112111133131121133133313331333133313231333131121133133313331323232133231   >>    C11111211113313112113313331333133313331323133313112113313331333132323213323   <<    C111112111133131121133133313331333133313231333131121133133313331323232133233   >>      C111112111133131121133133313331333133313231333131121133133313331323232133232   >>