69-52=77-61=47-25=69-16=
43+46=13+45=37+42=72-40=
35+13=93-10=32+33=21+47=
33+15=66-52=99-35=33-12=
63+10=69-31=53+46=97-10=
13+15=31+28=41+51=31+21=
11+78=10+72=99-67=99-34=
45+12=65+13=12+24=95-24=
68+11=97-35=74-10=21+61=
48-34=15+14=81+13=46-12=
10+55=35+21=86-34=33+66=
49-25=32+17=93-72=50+10=
63-22=30+68=50+30=58-21=
86-25=53+32=64+23=71+13=
72+27=48-22=71-10=88-36=
59-11=55+20=66-14=54-30=
38-17=96-15=82-61=26+31=
46+13=97-51=10+31=86-54=
58-32=20+39=30+63=57-13=
35+43=22+65=42-30=69-55=
47-11=84-11=58-35=68-51=
73-10=54-22=64-51=53-40=