Mazurka No. 7 in F Minor, Op. 7, No. 3 - Mazurka No. 5 in B-Flat Major, Op. 7, No. 1 (f小调第七号玛祖卡，Op. 7, No. 3 - 降B大调第五号玛祖卡，Op. 7, No. 1)