C111112111133131121133133313331333133313331322121111331323123123231   >>    C11111211113313112113313331333133313331333132212111133132312312323   <<    C111112111133131121133133313331333133313331322121111331323123123233   >>      C111112111133131121133133313331333133313331322121111331323123123232   >>