C111123313121111121111331333133313331333132233133313331312323231   >>    C11112331312111112111133133313331333133313223313331333131232323   <<    C111123313121111121111331333133313331333132233133313331312323233   >>      C111123313121111121111331333133313331333132233133313331312323232   >>