C111123313121111121111331333133313331333112221211111133133323213331323311   >>    C11112331312111112111133133313331333133311222121111113313332321333132331   <<    C111123313121111121111331333133313331333112221211111133133323213331323313   >>      C111123313121111121111331333133313331333112221211111133133323213331323312   >>