A
B
C
D
E
1

1-1=

0

1

3-2=

1
1

5-0=

5
1

4-1=

3
1

7-2=

5
2

4-2=

2
2

6-5=

1
2

10-0=

10

2

5-2=

3
2

9-9=

0
3

10-5=

5

3

6-3=

3
3

7-6=

1
3

8-5=

3

3

9-4=

5

4

10-7=

3
4

9-6=

3
4

11-4=

7

4

10-8=

2
4

11-5=

6
5

15-5=

10

5

18-13=

5
5

20-7=

13

5

14-8=

6

5

13-9=

4
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