1.4 - 3 =7 - 3 =7 - 2 =13 - 7 =12 - 4 =
2.7 - 4 =11 - 7 =11 - 4 =18 - 9 =5 - 1 =
3.2 - 1 =12 - 5 =10 - 3 =8 - 7 =10 - 8 =
4.12 - 7 =17 - 9 =6 - 3 =11 - 6 =4 - 2 =
5.12 - 4 =9 - 2 =13 - 5 =7 - 1 =10 - 6 =
6.10 - 6 =9 - 5 =9 - 7 =8 - 2 =11 - 9 =
7.7 - 5 =11 - 5 =6 - 5 =2 - 1 =9 - 0 =
8.10 - 3 =6 - 1 =3 - 1 =6 - 4 =15 - 8 =
9.18 - 9 =9 - 3 =9 - 8 =6 - 3 =7 - 1 =
10.16 - 7 =15 - 9 =12 - 6 =10 - 7 =15 - 9 =
11.10 - 5 =8 - 4 =12 - 6 =10 - 1 =7 - 5 =
12.11 - 3 =5 - 4 =8 - 7 =14 - 6 =9 - 7 =
13.14 - 8 =4 - 1 =13 - 8 =13 - 6 =14 - 9 =
14.9 - 6 =15 - 7 =14 - 5 =14 - 7 =8 - 1 =
15.12 - 9 =5 - 1 =13 - 4 =8 - 3 =14 - 5 =
16.8 - 6 =16 - 7 =16 - 8 =12 - 8 =15 - 7 =
17.2 - 2 =14 - 7 =7 - 0 =11 - 7 =16 - 8 =
18.17 - 9 =11 - 5 =6 - 2 =9 - 8 =5 - 3 =
19.4 - 3 =11 - 8 =15 - 6 =9 - 5 =12 - 3 =
20.14 - 9 =9 - 2 =14 - 8 =11 - 9 =8 - 1 =

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