1+14= 6-8= 9-5= 11+4=
4-1= 4+7= 18+1= 4+2=
18+8= 9-1= 18-8= 0-11=
3-4= 19-7= 9-17= 11-15=
0-8= 4-14= 15+16= 14+6=
0-0= 8+14= 18+1= 10+6=
4+4= 0-1= 3-1= 17+9=
19-15= 9-13= 9+8= 8-7=
3-10= 10+3= 8+10= 5+19=
5-18= 18-0= 9-2= 7+1=
1+14= 6-8= 9-5= 11+4=
4-1= 4+7= 18+1= 4+2=
18+8= 9-1= 18-8= 0-11=
3-4= 19-7= 9-17= 11-15=
0-8= 4-14= 15+16= 14+6=
0-0= 8+14= 18+1= 10+6=
4+4= 0-1= 3-1= 17+9=
19-15= 9-13= 9+8= 8-7=
3-10= 10+3= 8+10= 5+19=
5-18= 18-0= 9-2= 7+1=