鍵位課程一：asdf jkl
asdf jkl asdf jkl asdf jkl asas sas
sdfdf dfdf dfjdfj fjfj fjk fjkjk jk
lk sada sada sads sads falk falk as
sasl fall fall afll afll flal fl al
lads lads lads sad dad sad dad sa d
sads dada dada ask alas ask alas as
alas ask alas ask alas dad as sad d
sad dad as sad lad lass lad lass la
lad alfa alfa alfalfa lafalfa al fa
salad add add salad add dad as sa d
sad as jaffa salad jaffa salad ad j
falsk jaffa kafka salsa kafka salsa