C111112111133131121133133313331333133313331323112331333133313331333133322311311   >>    C11111211113313112113313331333133313331333132311233133313331333133313332231131   <<    C111112111133131121133133313331333133313331323112331333133313331333133322311313   >>      C111112111133131121133133313331333133313331323112331333133313331333133322311312   >>