zm,a4,a5,a8,a19
ym,a14,a23,a24
jj,a6,a9,a10,a13,b1,b2,b3,b4
tm,a18
jx,a17
wf,a20,a21
mf,a22,b5,b8
tk,b6
xy,b7
lt,a12