字母键练习
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zxcvbnm,./
/.,mnbvcxz
bnvmc,x.z/
/z.x,cmvnb
nbmv,c.x/z
z/x.c,vmbn
tyrueiwoqp
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pqowieuryt
qpwoeiruty
qqqqwwww
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ttttyyyy
uuuu
iiiioooo
pppp
qwertyuiop
poiuytrewq
asdfghjkl;
;lkjhgfdsa
zxcvbnm,./
/.,mnbvcxz