C111123313121111121111331333133313331323232133313331333131321312331   >>    C11112331312111112111133133313331333132323213331333133313132131233   <<    C111123313121111121111331333133313331323232133313331333131321312333   >>      C111123313121111121111331333133313331323232133313331333131321312332   >>