- Code: Select all
...|...|...
.12|.34|567
.34|5.6|182
---+---+---
..1|.58|2.6
..8|6..|..1
.2.|..7|.5.
---+---+---
..3|7.5|.28
.8.|.6.|7..
2.7|.83|615
my own solution path below
enter if you dare: Show
...|...|...
.12|.34|567
.34|5.6|182
---+---+---
..1|.58|2.6
..8|6..|..1
.2.|..7|.5.
---+---+---
..3|7.5|.28
.8.|.6.|7..
2.7|.83|615
*--------------------------------------------------------------------*
| 56789 5679 569 | 1289 1279 129 | 349 349 349 |
| 89 1 2 | 89 3 4 | 5 6 7 |
| 79 3 4 | 5 79 6 | 1 8 2 |
|----------------------+----------------------+----------------------|
| 3479 479 1 | 349 5 8 | 2 3479 6 |
| 34579 4579 8 | 6 249 29 | 349 3479 1 |
| 3469 2 69 | 1349 149 7 | 8 5 349 |
|----------------------+----------------------+----------------------|
| 1469 469 3 | 7 149 5 | 49 2 8 |
| 1459 8 59 | 1249 6 129 | 7 349 349 |
| 2 49 7 | 49 8 3 | 6 1 5 |
*--------------------------------------------------------------------*
(6=9)r168c3-(9=6)r79c2 => -6r1c2
*-----------------------------------------------------------*
| 5678 57 56 | 128 127 12 | 349 349 349 |
| 89 1 2 | 89 3 4 | 5 6 7 |
| 79 3 4 | 5 79 6 | 1 8 2 |
|-------------------+-------------------+-------------------|
| 347 479 1 | 349 5 8 | 2 3479 6 |
| 3457 4579 8 | 6 249 29 | 349 3479 1 |
| 346 2 69 | 1349 149 7 | 8 5 349 |
|-------------------+-------------------+-------------------|
| 14 6 3 | 7 149 5 | 49 2 8 |
| 145 8 59 | 1249 6 129 | 7 349 349 |
| 2 49 7 | 49 8 3 | 6 1 5 |
*-----------------------------------------------------------*
(5=8)r1c2,r23c1-(8=4)r29c4-(4=5)r8c3,r9c2 => -5r1c3
*-----------------------------------------------------------*
| 578 57 6 | 128 127 12 | 349 349 349 |
| 89 1 2 | 89 3 4 | 5 6 7 |
| 79 3 4 | 5 79 6 | 1 8 2 |
|-------------------+-------------------+-------------------|
| 37 47 1 | 39 5 8 | 2 3479 6 |
| 357 457 8 | 6 249 29 | 349 3479 1 |
| 6 2 9 | 13 14 7 | 8 5 34 |
|-------------------+-------------------+-------------------|
| 14 6 3 | 7 19 5 | 49 2 8 |
| 14 8 5 | 129 6 129 | 7 349 349 |
| 2 9 7 | 4 8 3 | 6 1 5 |
*-----------------------------------------------------------*
(9=3)r34c1-(3=4)r4c4,r5c56-(4=9)r67c5 => -9r3c5; ste
+--------------------------------------------------------------+
| 5678 567 56 | *128 127 *12 | 349 349 349 |
| 89 1 2 | 89 3 4 | 5 6 7 |
| 79 3 4 | 5 79 6 | 1 8 2 |
|--------------------+--------------------+--------------------|
| 347 479 1 | 349 5 8 | 2 3479 6 |
| 3457 4579 8 | 6 249 29 | 349 3479 1 |
| 346 2 69 | 1349 149 7 | 8 5 349 |
|--------------------+--------------------+--------------------|
| 146 469 3 | 7 149 5 | 49 2 8 |
| 145 8 59 | *1249 6 *129 | 7 349 349 |
| 2 49 7 | 49 8 3 | 6 1 5 |
+--------------------------------------------------------------+
# 75 eliminations remain
(found by me)
1r8c1 =12URr18c46= (12-7)r1c5 = (7-9)r3c5 = r2c4 - r9c4 = r9c2 - (9=5)r8c3 => -5 r8c1
(basics)
*-----------------------------------------------------------*
| 578 57 6 | 128 127 12 | 349 349 349 |
| 89 1 2 | 89 3 4 | 5 6 7 |
| 79 3 4 | 5 79 6 | 1 8 2 |
|-------------------+-------------------+-------------------|
| 37 47 1 | 39 5 8 | 2 3479 6 |
| 357 457 8 | 6 249 29 | 349 3479 1 |
| 6 2 9 | 13 14 7 | 8 5 34 |
|-------------------+-------------------+-------------------|
| 14 6 3 | 7 19 5 | 49 2 8 |
| 14 8 5 | 129 6 129 | 7 349 349 |
| 2 9 7 | 4 8 3 | 6 1 5 |
*-----------------------------------------------------------*
(completed by my solver)
(1=3)r6c4 - (3=9)r4c4 - r2c4 = r3c5 - (9=1)r7c5 => -1 r6c5,r8c4