I admire both of you for your tenacity. Thanks.
Here's some moves - then a marks pic. There have been a few typos, so hope we are all at the same spot.
36. r9c6 = 7
36a. r1c3 = 1 -> r1c1 = 7, r9c3 = 4 ->r3c3 = 3 -> r7c7 = 8 -> r3c7 = 5 -> r9c7 = 3 ->r9c6 = 7
36b. r7c3 = 1 -> r1c3 = 4 -> r9c3 = 3 -> r9c6 = 7
36c. both 1's in c3 -> r9c6 = 7
37. r4c56 = [73]
38. r2c9 = 3
39. 7 on D/ in n3 -> no7 r1c8
40. no 9 in r9c1
40a. 9 in r2c2 -> 9 in n4 in c1 -> no 9 r9c1
40b. 9 in r2c8 -> no 9 r9c1
Code: Select all
.------------------------.------------------------.------------------------.
| 17 468 14 | 3 5 9 | 2 468 678 |
| 5 79 2 | 6 8 4 | 1 79 3 |
| 468 3468 39 | 7 2 1 | 58 45689 4689 |
:------------------------+------------------------+------------------------:
| 249 249 8 | 5 7 3 | 6 149 149 |
| 3 1 6 | 9 4 8 | 7 2 5 |
| 79 479 5 | 2 1 6 | 348 3489 489 |
:------------------------+------------------------+------------------------:
| 24689 2345689 19 | 148 369 25 | 38 34567 467 |
| 246 568 7 | 148 36 25 | 9 138 146 |
| 168 345689 34 | 148 69 7 | 345 1456 2 |
'------------------------'------------------------'------------------------'