C111123313121111121111331333133313331323132333133313121111332233112113231   >>    C11112331312111112111133133313331333132313233313331312111133223311211323   <<    C111123313121111121111331333133313331323132333133313121111332233112113233   >>      C111123313121111121111331333133313331323132333133313121111332233112113232   >>