69-40=56-32=99-17=79-30=
47+42=99-56=11+24=24+61=
28-15=21+45=76-45=56+22=
37+41=59-34=73+16=88-30=
25+63=37+51=87-13=60+24=
78-57=53+22=32+50=39-16=
22+62=32+14=70+17=27+31=
44+23=77-50=36+50=16+23=
12+23=88-27=51+33=40+51=
74-62=52+14=56-43=86-72=
87-65=55-30=21+37=32+25=
10+83=57-23=88-57=99-27=
15+44=89-11=54-12=67-33=
31+48=13+82=23+75=94-83=
55+22=78-24=24+55=10+85=
10+88=79-26=48-21=60+28=
15+41=53+35=22+65=45+12=
86-55=44+12=23+60=82+13=
48+11=99-51=17+80=21+73=
16+32=76-14=73-41=58-37=
75-60=50+24=77+10=37-14=
11+67=82+17=30+30=22+15=