C111123313121111121111331333133313331333133313331333133313331333132123231   >>    C11112331312111112111133133313331333133313331333133313331333133313212323   <<    C111123313121111121111331333133313331333133313331333133313331333132123233   >>      C111123313121111121111331333133313331333133313331333133313331333132123232   >>