- Code: Select all
*-----------*
|1..|...|..5|
|...|.26|.7.|
|.69|3.1|...|
|---+---+---|
|93.|.8.|72.|
|5..|...|..9|
|.87|.1.|.36|
|---+---+---|
|...|7.2|81.|
|.7.|16.|...|
|2..|...|..7|
*-----------*
Play/Print this puzzle online
*-----------*
|1..|...|..5|
|...|.26|.7.|
|.69|3.1|...|
|---+---+---|
|93.|.8.|72.|
|5..|...|..9|
|.87|.1.|.36|
|---+---+---|
|...|7.2|81.|
|.7.|16.|...|
|2..|...|..7|
*-----------*
*------------------------------------------------------------*
| 1 2-4 238-4 | 489 479 478 | 369 69 5 |
|af38 af45 af3458 | 89-4 2 6 |a139 7 af13 |
| 7 6 9 | 3 5 1 | 2 4 8 |
*--------------------+-------------------+-------------------|
| 9 3 16 | 456 8 e45 | 7 2 e14 |
| 5 12 126 | 46 37 37 | 14 8 9 |
| 4 8 7 | 2 1 9 | 5 3 6 |
*--------------------+-------------------+-------------------|
| 6 459 345 | 7 349 2 | 8 1 34 |
| 38 7 348 | 1 6 d3458 |b349 c59 2 |
| 2 149 1348 | 4589 349 3458 | 346 56 7 |
*------------------------------------------------------------*
*-----------------------------------------------------------*
| 1 c24 2348 |a489 b479 b478 | 369 69 5 |
| 38 45 3458 |a489 2 6 | 139 7 13 |
| 7 6 9 | 3 5 1 | 2 4 8 |
*-------------------+-------------------+-------------------|
| 9 3 16 | 456 8 45 | 7 2 14 |
| 5 c12 126 | 6-4 37 37 |d14 8 9 |
| 4 8 7 | 2 1 9 | 5 3 6 |
*-------------------+-------------------+-------------------|
| 6 459 345 | 7 349 2 | 8 1 34 |
| 38 7 348 | 1 6 3458 | 349 59 2 |
| 2 149 1348 | 4589 349 3458 | 346 56 7 |
*-----------------------------------------------------------*
+-------------+---------------+-----------+
| 1 24 2348 | 489 479 478 | 369 69 5 |
| 38 45 3458 | 489 2 6 | 139 7 13 |
| 7 6 9 | 3 5 1 | 2 4 8 |
+-------------+---------------+-----------+
| 9 3 16 | 456 8 45 | 7 2 14 |
| 5 12 126 | 46 37 37 | 14 8 9 |
| 4 8 7 | 2 1 9 | 5 3 6 |
+-------------+---------------+-----------+
| 6 459 345 | 7 349 2 | 8 1 34 |
| 38 7 348 | 1 6 3458 | 349 59 2 |
| 2 149 1348 | 4589 349 3458 | 346 56 7 |
+-------------+---------------+-----------+
1 24 2348 | 489 479 478 |g69-3 f69 5
38 45 3458 | 489 2 6 | 139 7 a13
7 6 9 | 3 5 1 | 2 4 8
------------------------+----------------------+---------------------
9 3 16 | 456 8 c45 | 7 2 b14
5 12 126 | 46 37 37 | 14 8 9
4 8 7 | 2 1 9 | 5 3 6
------------------------+----------------------+---------------------
6 459 345 | 7 349 2 | 8 1 34
38 7 348 | 1 6 d3458 | 349 e59 2
2 149 1348 | 4589 349 3458 | 346 56 7
*-----------------------------------------------------------*
| 1 24 2348 | 489 479 478 | 369 69 5 |
| 38 45 3458 | 489 2 6 | 139 7 13 |
| 7 6 9 | 3 5 1 | 2 4 8 |
|-------------------+-------------------+-------------------|
| 9 3 16 | 456 8 45 | 7 2 14 |
| 5 12 126 | 46 347 347 | 14 8 9 |
| 4 8 7 | 2 1 9 | 5 3 6 |
|-------------------+-------------------+-------------------|
| 6 459 45 | 7 349 2 | 8 1 34 |
| 38 7 348 | 1 6 3458 | 49 59 2 |
| 2 149 1348 | 4589 349 3458 | 346 56 7 |
*-----------------------------------------------------------*
+-------------+---------------+-----------+
| 1 e24 2348 | c489 d479 d478 | 369 69 5 |
| 38 45 3458 | c489 2 6 | 139 7 13 |
| 7 6 9 | 3 5 1 | 2 4 8 |
+-------------+---------------+-----------+
| 9 3 16 | 456 8 45 | 7 2 14 |
| 5 f12 126 | b46 37 347 | a4-1 8 9 |
| 4 8 7 | 2 1 9 | 5 3 6 |
+-------------+---------------+-----------+
| 6 459 345 | 7 349 2 | 8 1 34 |
| 38 7 348 | 1 6 3458 | 349 59 2 |
| 2 149 1348 | 4589 349 3458 | 346 56 7 |
+-------------+---------------+-----------+
.------------------.-------------------.---------------.
| 1 a24 2348 | 489 479 478 | 369 69 5 |
| b38 b45 b3458 | 489 2 6 | b139 7 b13 |
| 7 6 9 | 3 5 1 | 2 4 8 |
:------------------+-------------------+---------------:
| 9 3 a16 | 45-6 8 d45 | 7 2 14 |
| 5 a12 12-6 | d46 37 37 | 14 8 9 |
| 4 8 7 | 2 1 9 | 5 3 6 |
:------------------+-------------------+---------------:
| 6 459 345 | 7 349 2 | 8 1 34 |
| c38 7 c348 | 1 6 c3458 | c349 59 2 |
| 2 149 1348 | 4589 349 3458 | 346 56 7 |
'------------------'-------------------'---------------'
pjb wrote:
- Code: Select all
1 24 2348 | 489 479 478 |g69-3 f69 5
38 45 3458 | 489 2 6 | 139 7 a13
7 6 9 | 3 5 1 | 2 4 8
------------------------+----------------------+---------------------
9 3 16 | 456 8 c45 | 7 2 b14
5 12 126 | 46 37 37 | 14 8 9
4 8 7 | 2 1 9 | 5 3 6
------------------------+----------------------+---------------------
6 459 345 | 7 349 2 | 8 1 34
38 7 348 | 1 6 d3458 | 349 e59 2
2 149 1348 | 4589 349 3458 | 346 56 7
(3=1)r2c9 - (1=4)r4c9 - (4=5)r4c6 = (5-9)r8c6 = (9-6)r1c8 = r1c7 => -3 r1c7; stte
Phil
We don't include these moves to arrive at our start positions.Alex_Popov_92 wrote:... twice empty
rectangle (both times on 3 in r7c7 and r8c7. This last technique is equivalent
in this case to 2StringKite)
.---------------.-----------------.-------------.
| 1 24 2348 | 489 479 478 | 369 69 5 |
| 38 45 3458 | 489 2 6 | 139 7 13 |
| 7 6 9 | 3 5 1 | 2 4 8 |
:---------------+-----------------+-------------:
| 9 3 16 | 456 8 45 | 7 2 14 |
| 5 12 126 | 46 37 37 | 14 8 9 |
| 4 8 7 | 2 1 9 | 5 3 6 |
:---------------+-----------------+-------------:
| 6 459 345 | 7 349 2 | 8 1 34 |
| 38 7 348 | 1 6 3458 | 349 59 2 |
| 2 149 1348 | 4589 349 3458 | 346 56 7 |
'---------------'-----------------'-------------'
Alex_Popov_92 wrote : I've arrived at this state of the sudoku using: hidden singles, twice claiming (on 5 in box 7 and on 9 in box 9), twice emptyrectangle ....