7+0=8-7=2+2=9-1=
4-3=4+11=3+3=9+6=
8-2=7+2=11+0=6+6=
11-2=7-5=11+4=7+8=
7+3=9-0=6+8=5-4=
9-5=6+2=4+3=9+0=
9+4=8+4=8-5=5+8=
9-2=2+8=3+8=8+8=
6-5=9-6=10+8=7-1=
4+7=7-4=8-4=8-3=
2+4=11-8=8-6=8+9=
6-4=5+7=11-3=11-5=
11+9=8+2=11+8=1-1=
8-1=7+4=4+5=10-5=
11+1=6+3=10+7=1+1=
10-2=1+8=7+10=3+9=
3-3=5+10=9+9=9-3=
10+3=7+6=1+4=7+1=
7-6=9+3=9+11=7-2=
8+3=9-4=4+8=4+2=
6+5=11-7=11-9=8+10=
5+6=10+6=5-2=10-9=