C111112111133131121133133313331323133313221211111333133313231333133313112123221   >>    C11111211113313112113313331333132313331322121111133313331323133313331311212322   <<    C111112111133131121133133313331323133313221211111333133313231333133313112123223   >>      C111112111133131121133133313331323133313221211111333133313231333133313112123222   >>