歌词：1,2,3,4,5,6,7,that is the way to start.
8,9,10,11,12,you will learn them all by heart.
13,14,15,16,they are the next along.
17,18,19,20,that is the number song.
1,2,3,4,5,6,7,8,9,10,11,12,
13,14,15,16,17,18,19,20
1,2,3,4,5,6,7,learn them all by heart.
8,9,10,11,12,you will learn them from the start.
13,14,15,16,they are the next along.
17,18,19,20,that is the number song.
