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