C111123313121111121111331333133313331333112221211111133133311223331311   >>    C11112331312111112111133133313331333133311222121111113313331122333131   <<    C111123313121111121111331333133313331333112221211111133133311223331313   >>      C111123313121111121111331333133313331333112221211111133133311223331312   >>