4 | | [1,1],[1,4],[1,7],[1,9],[1,12],[1,14],[1,17],[1,20] |
5 | | [4,1],[4,4],[4,7],[4,9],[4,12],[4,14],[4,17],[4,20] |
6 | | [7,1],[7,4],[7,7],[7,9],[7,12],[7,14],[7,17],[7,20] |
7 | | [9,1],[9,4],[9,7],[9,9],[9,12],[9,14],[9,17],[9,20] |
8 | | [12,7],[12,9],[12,12],[12,14],[12,17],[12,20] |
| 8 | [1,1], [1,4], [1,7], [1,9], [1,12], [1,14], [1,17], [1,20] |
| 9 | [4,1], [4,4], [4,7], [4,9], [4,12], [4,14], [4,17], [4,20] |
| 10 | [7,1], [7,4], [7,7], [7,9], [7,12], [7,14], [7,17], [7,20] |
| 11 | [9,1], [9,4], [9,7], [9,9], [9,12], [9,14], [9,17], [9,20] |
| 12 | [12,7], [12,9],[12,12],[12,14],[12,17],[12,20] |