C111123313121111121111331333133313331333131233133313221322333231   >>    C11112331312111112111133133313331333133313123313331322132233323   <<    C111123313121111121111331333133313331333131233133313221322333233   >>      C111123313121111121111331333133313331333131233133313221322333232   >>