- Code: Select all
*-----------*
|.7.|.25|.9.|
|.1.|84.|...|
|..5|1.7|..2|
|---+---+---|
|7..|...|8..|
|..8|.1.|3..|
|..2|...|..9|
|---+---+---|
|4..|2.1|9..|
|...|.68|.7.|
|.8.|35.|.1.|
*-----------*
Play/Print this puzzle online
*-----------*
|.7.|.25|.9.|
|.1.|84.|...|
|..5|1.7|..2|
|---+---+---|
|7..|...|8..|
|..8|.1.|3..|
|..2|...|..9|
|---+---+---|
|4..|2.1|9..|
|...|.68|.7.|
|.8.|35.|.1.|
*-----------*
*--------------------------------------------------------------*
| 38 7 34 | 6 2 5 | 14 9 1348 |
| 2 1 *369 | 8 4 *39 | 567 356 3567 |
| 3689 3469 5 | 1 f39 7 | 46 3468 2 |
|--------------------+--------------------+--------------------|
| 7 34569*13469 |*459 3-9 23469 | 8 2456 1456 |
| 569 4569 8 |f4579 1 2469 | 3 2456 4567 |
| 1356 3456 2 | 457 8 346 | 14567 456 9 |
|--------------------+--------------------+--------------------|
| 4 356 36 | 2 7 1 | 9 3568 3568 |
| 1359 2 *139 |*49 6 8 | 45 7 345 |
| 69 8 7 | 3 5 49 | 2 1 46 |
*--------------------------------------------------------------*
pjb wrote:Occasionally the "pattern overlay method" is useful: in this case all 4 possible patterns for 9 pass through r2c3, therefore r2c3=9; lclste
Double skyscraper?
pjb wrote:goal of a one stepper
*--------------------------------------------------------------------*
| 38 7 34 | 6 2 5 | 14 9 1348 |
| 2 1 369 | 8 4 39 | 567 356 3567 |
| 3689 3469 5 | 1 39 7 | 46 3468 2 |
|----------------------+----------------------+----------------------|
| 7 34569 13469 | 459 39 23469 | 8 2456 1456 |
| 569 4569 8 | 4579 1 2469 | 3 2456 4567 |
| 1356 3456 2 | 457 8 346 | 14567 456 9 |
|----------------------+----------------------+----------------------|
| 4 356 36 | 2 7 1 | 9 3568 3568 |
| 1359 2 139 | 49 6 8 | 45 7 345 |
| 69 8 7 | 3 5 49 | 2 1 46 |
*--------------------------------------------------------------------*
[ss:r2c36,r9c16]-9r8c3=9r24c3[ss:r24c3,r34c5] => -9r2c6; lclste
*--------------------------------------------------------------------*
| 38 7 34 | 6 2 5 | 14 9 1348 |
| 2 1 G369 | 8 4 B3-9 | 567 356 3567 |
| 3689 3469 5 | 1 G39 7 | 46 3468 2 |
|----------------------+----------------------+----------------------|
| 7 34569 B13469 | 459 B39 23469 | 8 2456 1456 |
| 569 4569 8 | 4579 1 2469 | 3 2456 4567 |
| 1356 3456 2 | 457 8 346 | 14567 456 9 |
|----------------------+----------------------+----------------------|
| 4 356 36 | 2 7 1 | 9 3568 3568 |
| 1359 2 A139 | 49 6 8 | 45 7 345 |
| 69 8 7 | 3 5 49 | 2 1 46 |
*--------------------------------------------------------------------*