| idnr: 518 
|  |  |  |  |  |  |  | 5 |  | 19 | 8 | 2 | 7 | 1 | 21 |  | 11 | 24 |  | 4 | 14 |  |  |  |  |  
|  | 11 | 20 |  |  |  |  |  | 1 |  |  | 4 |  |  |  | 22 |  |  |  | 8 | 7 | 12 | 21 |  |  |  
| 5 |  |  | 24 | 21 |  | 13 | 22 |  |  | 10 | 23 |  |  |  | 14 |  |  |  |  | 17 |  |  |  | 4 |  
|  |  |  |  | 17 | 4 | 10 | 8 |  |  |  | 12 |  | 11 |  | 6 | 15 |  | 5 | 1 | 19 |  | 3 | 18 |  |  
| 10 |  | 9 | 2 |  | 16 |  |  | 11 |  |  |  | 15 | 24 |  |  | 21 | 17 | 23 | 19 |  |  | 22 |  | 5 |  
|  | 12 |  | 17 | 2 | 18 |  |  | 16 |  | 14 |  |  | 21 | 22 |  |  |  |  |  | 15 |  |  |  |  |  
| 11 |  | 14 |  |  |  |  | 13 |  |  |  | 15 |  |  |  |  | 12 | 5 |  |  |  | 22 | 6 | 16 | 25 |  
|  |  |  |  |  | 5 |  |  | 8 | 12 | 18 |  | 20 | 4 |  | 16 |  | 21 | 6 | 23 | 9 |  |  | 2 | 14 |  
| 8 | 15 | 6 |  |  |  | 25 | 19 |  | 1 |  | 24 |  |  |  | 7 | 3 |  |  | 18 |  |  | 20 |  | 23 |  
|  |  |  |  | 3 |  |  | 20 | 23 | 2 |  | 25 | 19 | 12 | 7 |  | 17 | 14 |  |  | 8 | 18 |  |  |  |  
| 25 |  |  |  |  | 23 |  | 3 |  |  |  |  |  | 6 |  |  | 19 |  | 14 | 15 | 12 |  |  | 9 |  |  
|  |  |  |  |  | 8 | 16 | 6 | 17 | 15 |  |  |  |  | 23 |  | 1 | 11 |  |  | 5 |  | 7 |  |  |  
| 13 |  |  | 5 | 18 |  |  |  |  | 11 |  |  |  |  |  | 17 |  |  |  |  | 2 | 24 |  |  | 8 |  
|  |  | 17 |  | 23 |  |  | 21 | 14 |  | 9 |  |  |  |  | 4 | 25 | 2 | 7 | 3 |  |  |  |  |  |  
|  | 6 |  |  | 8 | 19 | 22 |  | 25 |  |  | 18 |  |  |  |  |  | 13 |  | 12 |  |  |  |  | 11 |  
|  |  |  | 12 | 15 |  |  | 23 | 13 |  | 21 | 9 | 5 | 14 |  | 24 | 7 | 4 |  |  | 16 |  |  |  |  |  
| 18 |  | 19 |  |  | 24 |  |  | 4 | 20 |  |  |  | 2 |  | 10 |  | 12 | 9 |  |  |  | 1 | 15 | 21 |  
| 16 | 5 |  |  | 10 | 9 | 11 | 15 |  | 8 |  | 13 | 22 |  | 12 | 1 | 23 |  |  | 6 |  |  |  |  |  |  
| 4 | 2 | 23 | 14 |  |  |  | 16 | 5 |  |  |  |  | 20 |  |  |  | 19 |  |  |  |  | 8 |  | 24 |  
|  |  |  |  | 13 |  |  |  |  |  | 24 | 10 |  |  | 6 |  | 14 |  |  | 16 | 20 | 4 |  | 19 |  |  
| 17 |  | 11 |  |  | 15 | 4 | 10 | 7 |  |  | 1 | 9 |  |  |  | 18 |  |  | 24 |  | 13 | 23 |  | 19 |  
|  | 1 | 7 |  | 14 | 13 | 20 |  | 3 | 5 |  | 16 |  | 22 |  |  |  | 15 | 17 | 25 | 11 |  |  |  |  |  
| 20 |  |  |  | 24 |  |  |  |  | 23 |  |  |  | 17 | 10 |  |  | 3 | 13 |  | 22 | 1 |  |  | 16 |  
|  |  | 18 | 3 | 12 | 22 |  |  |  | 16 |  |  |  | 15 |  |  | 8 |  |  |  |  |  | 24 | 10 |  |  
|  |  |  |  | 19 | 1 |  | 11 | 2 |  | 6 | 14 | 21 | 18 | 20 | 23 |  | 10 |  |  |  |  |  |  |  |  Difficulty: Easy (0) | idnr: 696 
|  | 12 |  |  |  |  |  |  | 10 |  |  | 21 |  |  |  | 19 |  |  |  |  | 25 |  | 4 |  |  |  
|  |  |  |  |  | 20 |  |  | 25 | 17 | 3 |  | 19 |  | 9 | 14 |  |  | 18 | 24 | 10 |  |  | 12 |  |  
| 25 |  | 6 | 8 | 4 | 18 | 7 | 14 |  |  | 10 |  | 12 |  |  | 20 |  | 22 |  |  |  |  |  |  | 16 |  
| 18 | 15 |  |  |  |  |  |  |  |  | 25 |  | 7 | 23 |  |  |  | 3 | 11 |  |  | 21 | 17 |  | 9 |  
| 20 |  | 1 | 13 |  |  |  |  |  |  |  | 15 | 22 |  |  |  |  | 21 |  |  |  |  |  | 18 |  |  
| 23 | 7 | 8 |  |  |  | 22 |  |  |  |  |  |  |  | 17 | 25 | 19 | 16 |  |  | 9 |  |  |  | 4 |  
|  |  |  |  | 14 | 10 |  | 7 |  | 3 | 19 | 16 |  | 12 | 5 | 8 | 4 |  |  |  | 22 |  | 15 |  |  |  
|  | 4 | 10 |  |  |  | 12 | 17 |  |  | 23 | 18 |  | 14 |  | 24 | 20 | 9 | 22 | 1 |  | 25 |  |  | 8 |  
| 11 | 19 | 16 |  | 24 |  | 4 |  |  |  | 7 |  |  |  | 22 |  |  |  |  | 12 | 14 |  |  | 5 | 6 |  
|  |  |  | 22 |  | 24 |  | 20 |  | 15 |  | 1 |  |  | 6 | 3 |  |  |  | 21 |  | 12 |  | 23 | 11 |  
| 16 | 2 |  | 7 | 21 | 5 |  |  |  |  | 22 |  | 14 | 17 |  |  |  | 1 | 13 |  | 4 | 9 | 23 | 11 |  |  
| 12 |  |  |  | 23 | 16 | 9 | 21 | 7 |  |  | 25 | 11 |  |  |  |  | 19 |  | 15 |  |  | 5 |  |  |  
|  | 5 | 4 |  |  |  |  |  | 22 | 20 |  | 3 |  | 16 |  | 23 | 11 |  |  |  |  |  | 10 | 15 |  |  
|  |  | 22 |  |  | 2 |  | 3 |  |  |  |  | 23 | 19 |  |  | 5 | 10 | 25 | 4 | 17 |  |  |  | 21 |  
|  | 17 | 18 | 15 | 25 |  | 19 | 10 |  |  |  | 5 | 9 |  | 21 |  |  |  |  | 22 | 8 | 1 |  | 13 | 2 |  
| 6 | 25 |  | 16 |  | 4 |  |  |  | 23 | 1 |  |  | 3 |  | 2 |  | 20 |  | 19 |  | 18 |  |  |  |  
| 4 | 23 |  |  | 12 | 9 |  |  |  |  | 11 |  |  |  | 15 |  |  |  | 24 |  | 6 |  | 2 | 14 | 17 |  
| 10 |  |  | 5 |  | 25 | 3 | 22 | 17 | 13 |  | 14 |  | 2 | 4 |  |  | 12 | 15 |  |  |  | 11 | 19 |  |  
|  |  | 21 |  | 22 |  |  |  | 12 | 19 | 6 | 8 |  | 7 | 13 | 11 |  | 5 |  | 14 | 23 |  |  |  |  |  
| 14 |  |  |  | 2 |  |  | 15 | 20 | 8 | 24 |  |  |  |  |  |  |  | 3 |  |  |  | 22 | 1 | 12 |  
|  | 22 |  |  |  |  |  | 6 |  |  |  |  | 2 | 25 |  |  |  |  |  |  |  | 23 | 21 |  | 14 |  
| 19 |  | 7 | 20 |  |  | 14 | 4 |  |  |  | 24 | 10 |  | 8 |  |  |  |  |  |  |  |  | 9 | 13 |  
| 3 |  |  |  |  |  |  | 9 |  | 18 |  |  | 17 |  | 19 |  |  | 24 | 12 | 11 | 2 | 7 | 1 |  | 5 |  
|  | 14 |  |  | 8 | 15 | 24 |  |  | 22 | 20 |  | 6 |  | 18 | 4 | 3 |  |  | 5 |  |  |  |  |  |  
|  |  | 24 |  | 13 |  |  |  |  | 7 |  |  |  | 9 |  |  | 15 |  |  |  |  |  |  | 4 |  |  Difficulty: Very easy (0) | 
idnr: 140 
|  | 2 |  |  | 11 |  |  | 1 | 25 |  |  |  |  | 17 |  |  | 23 | 22 | 24 |  | 12 | 4 | 7 |  |  |  
|  | 15 |  | 1 | 22 |  | 13 | 7 |  | 24 | 2 | 16 |  | 12 |  | 8 | 19 | 17 |  |  | 6 | 14 |  | 11 | 18 |  
| 14 | 6 |  | 7 |  |  |  |  | 18 |  | 22 |  | 23 | 4 | 8 |  |  |  |  |  |  |  |  |  | 25 |  
|  | 19 |  |  |  | 14 |  | 8 | 22 | 6 |  |  | 5 | 24 | 11 |  | 16 |  | 9 | 15 | 10 | 3 |  |  | 20 |  
| 8 | 4 | 18 |  |  | 19 | 20 |  | 12 |  |  | 14 | 3 |  |  |  |  |  | 10 | 11 | 13 | 16 |  | 23 | 22 |  
| 17 | 23 | 22 |  | 15 | 24 |  |  |  |  |  |  | 16 | 1 | 4 | 19 |  |  | 13 | 7 | 20 | 8 |  |  | 2 |  
|  |  | 19 | 14 |  |  | 23 |  |  | 25 |  | 2 | 12 | 10 | 17 |  | 6 |  |  |  | 16 | 13 | 22 |  | 11 |  
| 16 |  |  | 8 | 7 | 17 | 14 | 4 |  | 13 |  |  |  |  | 23 | 11 |  | 25 | 21 | 18 |  |  |  |  |  |  
| 1 |  |  | 25 |  |  |  |  | 2 |  | 11 |  | 20 |  |  | 14 | 12 | 3 | 15 |  |  | 17 |  |  | 5 |  
|  |  | 2 |  |  |  |  |  |  |  |  |  |  |  | 19 |  | 4 |  |  | 17 |  | 25 | 9 |  | 21 |  
|  |  |  |  |  |  |  |  |  |  | 21 |  | 18 | 11 | 16 |  |  | 5 | 1 | 22 |  |  | 19 | 4 |  |  
|  |  |  |  |  |  |  |  | 10 |  |  | 6 |  |  | 7 |  |  |  | 4 |  | 21 |  |  |  | 17 |  
| 25 |  | 7 | 6 | 13 | 23 |  | 5 |  | 19 |  |  |  |  |  | 17 |  | 21 |  | 12 | 24 | 10 | 3 |  | 1 |  
| 20 |  |  |  | 21 |  | 7 |  |  |  | 8 |  |  | 13 |  |  | 10 |  |  |  |  |  |  |  |  |  
|  | 11 | 24 |  |  | 13 | 21 | 3 |  |  | 5 | 1 | 15 |  | 10 |  |  |  |  |  |  |  |  |  |  |  
| 24 |  | 15 | 5 |  | 21 |  |  | 11 |  | 9 |  |  |  |  |  |  |  |  |  |  |  | 6 |  |  |  
| 21 |  |  | 22 |  |  | 1 | 19 | 17 | 4 |  |  | 25 |  | 13 |  | 9 |  |  |  |  | 5 |  |  | 24 |  
|  |  |  |  |  | 15 | 8 | 9 |  | 3 | 24 |  |  |  |  | 12 |  | 20 | 14 | 13 | 1 | 18 |  |  | 10 |  
| 6 |  | 8 | 13 | 12 |  |  |  | 14 |  | 16 | 17 | 11 | 21 |  | 15 |  |  | 18 |  |  | 19 | 23 |  |  |  
| 23 |  |  | 3 | 18 | 6 | 5 |  |  | 10 | 4 | 8 | 7 |  |  |  |  |  |  | 19 | 14 |  | 15 | 21 | 16 |  
| 7 | 13 |  | 20 | 1 | 2 | 6 |  |  |  |  |  | 9 | 8 |  |  | 14 |  | 12 | 24 |  |  | 4 | 17 | 19 |  
| 12 |  |  | 2 | 9 | 7 | 15 |  | 8 |  | 23 | 11 | 4 |  |  | 3 | 13 | 6 |  | 21 |  |  |  | 25 |  |  
| 5 |  |  |  |  |  |  |  |  |  | 17 | 20 | 24 |  | 15 |  | 11 |  |  |  |  | 6 |  | 12 | 3 |  
| 15 | 8 |  | 11 | 23 |  |  | 14 | 24 | 17 |  | 3 |  | 5 | 1 | 7 |  | 19 | 25 |  | 2 | 21 |  | 16 |  |  
|  |  | 3 | 19 | 10 |  | 9 | 21 | 5 |  |  | 7 |  |  |  |  | 17 | 15 |  |  | 18 |  |  | 20 |  |  Difficulty: Super easy (0) | idnr: 546 
| 19 |  | 16 |  |  |  |  | 11 |  |  | 18 |  |  | 10 |  |  | 2 | 6 |  | 21 | 3 | 9 | 17 | 14 | 22 |  
| 22 |  | 4 | 11 |  | 25 |  |  | 1 |  |  | 9 |  | 23 |  | 18 | 12 |  |  |  |  |  | 7 | 10 | 16 |  
| 18 | 23 |  |  |  | 6 | 20 | 9 | 15 | 4 |  | 22 |  | 19 |  |  | 8 |  | 17 |  | 21 |  |  | 1 |  |  
|  |  | 7 |  |  |  |  |  | 3 | 13 | 1 |  | 24 |  | 25 | 5 |  |  | 14 |  |  |  |  | 18 |  |  
|  | 6 |  | 8 | 9 |  |  | 22 |  |  |  |  |  |  |  |  | 4 |  |  |  | 13 |  | 2 |  |  |  
|  |  |  | 19 |  |  |  |  |  | 23 | 3 |  | 1 | 14 | 12 |  | 7 |  |  |  | 10 |  | 24 |  |  |  
|  | 1 |  |  | 6 | 7 | 11 | 18 | 24 |  | 25 | 20 |  |  | 23 | 15 |  |  |  |  | 17 |  | 22 |  |  |  
|  |  |  | 24 |  |  | 13 |  |  |  |  |  | 5 | 22 |  | 19 |  |  | 6 |  |  | 4 | 16 | 3 | 14 |  
| 20 |  |  |  | 4 |  | 3 |  | 6 | 22 | 15 | 16 |  | 17 |  |  |  | 25 |  |  | 7 |  |  | 8 |  |  
|  | 7 |  | 16 |  |  | 4 |  | 2 |  |  | 13 |  |  |  |  | 5 | 17 |  | 20 |  |  |  | 15 | 1 |  
| 1 |  | 22 |  |  | 23 |  |  | 16 |  | 7 |  |  |  | 20 |  |  | 10 | 15 |  |  | 14 | 5 | 11 |  |  
|  | 14 |  | 7 | 10 |  |  | 24 |  |  | 5 |  |  |  |  | 25 |  |  |  | 23 | 22 |  |  | 19 |  |  
| 13 | 11 | 15 | 6 | 16 |  | 18 |  |  |  |  | 19 | 12 | 8 |  |  |  |  | 20 |  | 2 | 3 | 9 | 21 | 7 |  
|  | 24 |  |  | 19 | 3 |  |  |  | 20 |  |  |  |  | 1 |  |  | 7 |  |  | 6 | 18 |  | 23 |  |  
|  | 17 | 23 | 18 |  |  | 2 | 4 |  |  | 9 |  |  |  | 10 |  | 22 |  |  | 24 |  |  | 13 |  | 15 |  
| 10 | 8 |  |  |  | 15 |  | 1 | 17 |  |  |  |  | 9 |  |  | 14 |  | 25 |  |  | 2 |  | 5 |  |  
|  | 19 |  |  | 7 |  |  | 12 |  |  |  | 25 |  | 18 | 5 | 1 | 23 |  | 13 |  | 20 |  |  |  | 10 |  
| 4 | 18 | 17 | 3 |  |  | 23 |  |  | 16 |  | 8 | 10 |  |  |  |  |  | 9 |  |  | 22 |  |  |  |  
|  |  | 11 |  | 25 |  |  |  |  | 10 | 22 |  |  | 6 | 16 |  | 19 | 24 | 3 | 5 | 14 |  |  | 4 |  |  
|  |  | 2 |  | 14 |  |  |  | 5 |  | 12 | 4 | 13 |  | 15 | 20 |  |  |  |  |  | 7 |  |  |  |  
|  |  | 24 |  | 23 |  |  |  | 8 |  |  |  |  |  |  |  |  | 3 |  |  | 25 | 5 |  | 7 |  |  
|  | 13 |  |  |  |  | 24 |  |  | 3 | 4 |  | 18 |  | 17 | 2 | 20 |  |  |  |  |  | 15 |  |  |  
|  | 3 |  |  | 8 |  | 15 |  | 23 |  |  | 14 |  | 12 |  | 10 | 25 | 4 | 7 | 6 |  |  |  | 20 | 11 |  
| 2 | 16 | 14 |  |  |  |  |  | 18 | 25 |  | 6 |  | 3 |  |  | 11 |  |  | 17 |  | 23 | 12 |  | 19 |  
| 25 | 20 | 18 | 17 | 1 | 22 |  | 6 | 9 |  |  | 23 |  |  | 7 |  |  | 19 |  |  |  |  | 3 |  | 13 |  Difficulty: Easy (0) |