C111123313121111121111331333133313331333112221211111211111213311223323221   >>    C11112331312111112111133133313331333133311222121111121111121331122332322   <<    C111123313121111121111331333133313331333112221211111211111213311223323223   >>      C111123313121111121111331333133313331333112221211111211111213311223323222   >>