C111112111133131121133133313331333133313331323133313331333133313221211331311311   >>    C11111211113313112113313331333133313331333132313331333133313331322121133131131   <<    C111112111133131121133133313331333133313331323133313331333133313221211331311313   >>      C111112111133131121133133313331333133313331323133313331333133313221211331311312   >>