C111123313121111121111331333133313331323231333133313331312321311231   >>    C11112331312111112111133133313331333132323133313331333131232131123   <<    C111123313121111121111331333133313331323231333133313331312321311233   >>      C111123313121111121111331333133313331323231333133313331312321311232   >>