Doubles,doubles+1

Front 1

7+7

Back 1

14

Front 2

10+10

Back 2

20

Front 3

2+3

Back 3

5

Front 4

3+4

Back 4

7

Front 5

4+5

Back 5

9

Front 6

5+5

Back 6

10

Front 7

6+6

Back 7

12

Front 8

8+8

Back 8

16

Front 9

2+2

Back 9

4

Front 10

3+3

Back 10

6

Front 11

4+4

Back 11

8

Front 12

5+6

Back 12

11

Front 13

6+7

Back 13

13

Front 14

9+9

Back 14

18

Front 15

1+1

Back 15

2

Front 16

1+2

Back 16

3

Front 17

8+9

Back 17

17

Front 18

7+8

Back 18

15