基准键
asdfjkl;;lkjfdsaasdfjkl;;lkjfdsa
asdffdsaasdffdsa;lkjjkl;;lkjjkl;
fdsaasdffdsaasdfjkl;;lkjjkl;;lkj
aaaassssddddffffjjjjkkkkllll;;;;;;;;llllkkkkjjjjffffddddssssaaaa
asdfjkl;;lkjfdsaasdfjkl;;lkjfdsa
asdffdsaasdffdsa;lkjjkl;;lkjjkl;
fdsaasdffdsaasdfjkl;;lkjjkl;;lkj
aaaassssddddffffjjjjkkkkllll;;;;;;;;llllkkkkjjjjffffddddssssaaaa
asdfjkl;;lkjfdsaasdfjkl;;lkjfdsa
asdffdsaasdffdsa;lkjjkl;;lkjjkl;
fdsaasdffdsaasdfjkl;;lkjjkl;;lkj