9 6 8 2 3 5 * 1 *
1 * 2 * 8 * 9 5 3
3 * 5 * * 9 8 2 6
2 * 3 * 7 * 5 * *
6 5 9 * 2 * 3 * *
4 * 7 * 5 3 6 * 2
* 9 4 3 6 2 1 * *
8 2 6 5 * * * 3 9
* 3 1 8 9 * 2 6 *
angusj wrote:You can still eliminate candidates in two columns and then there's a 'naked pair' in a row. After that, it should be plain sailing.