- Code: Select all
*-----------*
|..1|7.9|4..|
|...|.8.|...|
|7..|1.4|..5|
|---+---+---|
|9.2|...|1.6|
|.6.|...|.2.|
|1.5|...|8.4|
|---+---+---|
|2..|9.7|..1|
|...|.6.|...|
|..7|4.3|9..|
*-----------*
Play/Print this puzzle online
*-----------*
|..1|7.9|4..|
|...|.8.|...|
|7..|1.4|..5|
|---+---+---|
|9.2|...|1.6|
|.6.|...|.2.|
|1.5|...|8.4|
|---+---+---|
|2..|9.7|..1|
|...|.6.|...|
|..7|4.3|9..|
*-----------*
*--------------------------------------------------------------*
| 56 25 1 | 7 23 9 | 4 36 8 |
| 34 29 34 | 56 8 56 |d27 1 c79 |
| 7 289 68 | 1 23 4 |e236 369 5 |
|--------------------+--------------------+--------------------|
| 9 347 2 | 358 47 58 | 1 357 6 |
| 348 6 348 | 35 479 1 | 357 2 b379 |
| 1 37 5 | 26 79 26 | 8 379 4 |
|--------------------+--------------------+--------------------|
| 2 34 3468 | 9 5 7 |f6-3 3468 1 |
| 345 1 9 | 28 6 28 | 357 3457 a37 |
| 568 58 7 | 4 1 3 | 9 568 2 |
*--------------------------------------------------------------*
56 25 1 | 7 23 9 | 4 36 8
34 29 34 | 56 8 56 |a27 1 b79
7 289 68 | 1 d23 4 | 36-2 c39 5
---------------------+----------------------+---------------------
9 347 2 | 358 47 58 | 1 357 6
348 6 348 | 35 479 1 | 357 2 379
1 37 5 | 26 79 26 | 8 379 4
---------------------+----------------------+---------------------
2 34 3468 | 9 5 7 | 36 348 1
345 1 9 | 28 6 28 | 357 3457 37
568 58 7 | 4 1 3 | 9 568 2
*------------------------------------------------------------*
| 56 25 1 | 7 23 9 | 4 a36 8 |
| 34 29 34 | 56 8 56 | 27 1 b79 |
| 7 289 68 | 1 23 4 | 23-6 a369 5 |
|-------------------+-------------------+--------------------|
| 9 347 2 | 358 47 58 | 1 357 6 |
| 348 6 348 | 35 479 1 | 357 2 379 |
| 1 37 5 | 26 79 26 | 8 379 4 |
|-------------------+-------------------+--------------------|
| 2 34 3468 | 9 5 7 |c36 48-36 1 |
| 345 1 9 | 28 6 28 | 357 457-3 c37 |
| 568 58 7 | 4 1 3 | 9 568 2 |
*----------------------------------------------------- ------*
(36=9)r13c8-(9=7)r2c9-(7=36)r8c9,r7c7 => -36r789c8,r3c7;ste
+---------------+------------+--------------+
| 56 25 1 | 7 23 9 | 4 36 8 |
| 34 29 34 | 56 8 56 | 27 1 79 |
| 7 289 68 | 1 23 4 | 236 369 5 |
+---------------+------------+--------------+
| 9 3478 2 | 358 47 58 | 1 357 6 |
| 348 6 348 | 358 479 1 | 357 2 379 |
| 1 37 5 | 26 79 26 | 8 379 4 |
+---------------+------------+--------------+
| 2 348 3468 | 9 5 7 | 36 3468 1 |
| 345 1 9 | 28 6 28 | 357 3457 37 |
| 568 58 7 | 4 1 3 | 9 568 2 |
+---------------+------------+--------------+
Marty R. wrote:
- Code: Select all
+---------------+------------+--------------+
| 56 25 1 | 7 23 9 | 4 36 8 |
| 34 29 34 | 56 8 56 | 27 1 79 |
| 7 289 68 | 1 23 4 | 236 369 5 |
+---------------+------------+--------------+
| 9 3478 2 | 358 47 58 | 1 357 6 |
| 348 6 348 | 358 479 1 | 357 2 379 |
| 1 37 5 | 26 79 26 | 8 379 4 |
+---------------+------------+--------------+
| 2 348 3468 | 9 5 7 | 36 3468 1 |
| 345 1 9 | 28 6 28 | 357 3457 37 |
| 568 58 7 | 4 1 3 | 9 568 2 |
+---------------+------------+--------------+
Play this puzzle online at the Daily Sudoku site
I'll settle for the quick, easy, old-fashioned way.
1) X-Wing (6), c37=>r3c8<>6
2) XYZ-Wing (236), pivot r3c7=>r3c8<>3=>r3c8=9