Leren wrote:(2=3) r3c5 - (3=1) r7c5 - (1=2) r579c4 => - 2 r3c4, r9c5; stte
An attempt to solve in two baby steps:
- Code: Select all
+----------+-----------------+----------+
| 5 7 39 | 14 6 (13) | 49 8 2 |
| 1 2 4 | 8 7 9 | 5 3 6 |
| 8 6 39 | 245 (23) 35 | 49 1 7 |
+----------+-----------------+----------+
| 7 4 2 | 15 (18) 58-1 | 3 6 9 |
| 3 9 5 | 67 4 67 | 8 2 1 |
| 6 1 8 | 3 9 2 | 7 4 5 |
+----------+-----------------+----------+
| 4 5 6 | 17 13 137 | 2 9 8 |
| 2 8 1 | 9 5 4 | 6 7 3 |
| 9 3 7 | 26 (28) 68 | 1 5 4 |
+----------+-----------------+----------+
1) WXYZ-Wing: 1238 @ r349c5 r1c6 => -1 @ r4c6; and
- Code: Select all
+----------+-----------------+----------+
| 5 7 39 | 14 6 13 | 49 8 2 |
| 1 2 4 | 8 7 9 | 5 3 6 |
| 8 6 39 | 245 2-3 (35) | 49 1 7 |
+----------+-----------------+----------+
| 7 4 2 | 15 (18) (58) | 3 6 9 |
| 3 9 5 | 67 4 67 | 8 2 1 |
| 6 1 8 | 3 9 2 | 7 4 5 |
+----------+-----------------+----------+
| 4 5 6 | 17 (13) 17-3 | 2 9 8 |
| 2 8 1 | 9 5 4 | 6 7 3 |
| 9 3 7 | 26 28 68 | 1 5 4 |
+----------+-----------------+----------+
2) Almost Locked Set move: 1358 @ r47c5 r34c6 => -3 @ r3c5 r7c6; stte
R. Jamil