C111112111133131121133133313331323133313221211111333133313223313331333112113231   >>    C11111211113313112113313331333132313331322121111133313331322331333133311211323   <<    C111112111133131121133133313331323133313221211111333133313223313331333112113233   >>      C111112111133131121133133313331323133313221211111333133313223313331333112113232   >>