1.11 - 7 =8 - 5 =9 - 7 =14 - 5 =4 - 1 =
2.10 - 1 =9 - 8 =16 - 9 =9 - 1 =13 - 7 =
3.12 - 8 =10 - 6 =16 - 8 =13 - 4 =13 - 8 =
4.7 - 2 =8 - 3 =18 - 9 =11 - 3 =15 - 9 =
5.12 - 9 =5 - 1 =14 - 9 =5 - 3 =13 - 6 =
6.14 - 8 =12 - 4 =4 - 2 =3 - 1 =8 - 0 =
7.8 - 3 =14 - 7 =5 - 3 =9 - 3 =12 - 6 =
8.6 - 5 =13 - 9 =8 - 4 =15 - 8 =11 - 9 =
9.4 - 3 =7 - 3 =10 - 8 =6 - 1 =8 - 2 =
10.9 - 4 =9 - 5 =7 - 5 =5 - 0 =14 - 5 =
11.5 - 2 =6 - 2 =2 - 1 =11 - 4 =5 - 4 =
12.13 - 9 =8 - 2 =6 - 1 =10 - 1 =15 - 9 =
13.8 - 7 =6 - 4 =8 - 7 =10 - 2 =13 - 8 =
14.7 - 1 =7 - 5 =6 - 3 =15 - 8 =17 - 8 =
15.16 - 8 =17 - 9 =7 - 4 =12 - 3 =9 - 2 =
16.8 - 1 =11 - 5 =10 - 9 =12 - 7 =18 - 9 =
17.7 - 6 =7 - 6 =17 - 9 =5 - 4 =4 - 2 =
18.7 - 3 =14 - 6 =11 - 8 =11 - 7 =16 - 7 =
19.9 - 2 =11 - 9 =16 - 9 =9 - 7 =16 - 7 =
20.10 - 3 =10 - 8 =9 - 4 =10 - 4 =12 - 3 =

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