4 - 3
1
2 + 2
4
3 - 3
0
3 + 2
5
4 + 3
7
9 - 1
8
5 + 5
10
9 + 2
11
14 - 3
11 + 5
16
11 + 4
15
17 - 0
17
20 + 0
20
13 + 5
18
20 - 10
Press F11 Select menu option View > Enter Fullscreen for full-screen mode