2+1= 12+3= 19-15=
13+5= 8+1= 8+9=
3+1= 8+8= 5+2=
17+2= 9-7= 14-11=
17-6= 12-11= 11-11=
8+7= 9+1= 11+1=
16+1= 17+1= 1+2=
5+8= 5+1= 5-2=
7-1= 3+9= 5+5=
17-2= 6+2= 19-3=
2+1= 12+3= 19-15=
13+5= 8+1= 8+9=
3+1= 8+8= 5+2=
17+2= 9-7= 14-11=
17-6= 12-11= 11-11=
8+7= 9+1= 11+1=
16+1= 17+1= 1+2=
5+8= 5+1= 5-2=
7-1= 3+9= 5+5=
17-2= 6+2= 19-3=