- Code: Select all
*-----------*
|...|75.|.32|
|.7.|..4|...|
|.5.|..8|1.6|
|---+---+---|
|7..|...|5..|
|..5|.1.|3..|
|..8|...|..9|
|---+---+---|
|8.2|4..|.9.|
|...|9..|.1.|
|43.|.61|...|
*-----------*
Play/Print this puzzle online
*-----------*
|...|75.|.32|
|.7.|..4|...|
|.5.|..8|1.6|
|---+---+---|
|7..|...|5..|
|..5|.1.|3..|
|..8|...|..9|
|---+---+---|
|8.2|4..|.9.|
|...|9..|.1.|
|43.|.61|...|
*-----------*
*--------------------------------------------------------------*
| 9 8 1 | 7 5 6 | 4 3 2 |
| 3 7 6 | 1 2 4 | 9 58 58 |
| 2 5 4 | 3 9 8 | 1 7 6 |
|--------------------+--------------------+--------------------|
| 7 249 3 | 6 48 29 | 5 248 1 |
| 6 249 5 | 2-8 1 279 | 3 248 a78 |
| 1 24 8 | 5 34 237 | 27 6 9 |
|--------------------+--------------------+--------------------|
| 8 1 2 | 4 7 5 | 6 9 3 |
| 5 6 7 | 9 38 23 | 28 1 4 |
| 4 3 9 |d28 6 1 | 278 c25 b57 |
*--------------------------------------------------------------*
9 8 1 | 7 5 6 | 4 3 2
3 7 6 | 1 2 4 | 9 58 58
2 5 4 | 3 9 8 | 1 7 6
---------------------+----------------------+---------------------
7 c249 3 | 6 48 c29 | 5 248 1
6 c249 5 | 28 1 c279 | 3 248 8-7
1 b24 8 | 5 34 23-7 |a27 6 9
---------------------+----------------------+---------------------
8 1 2 | 4 7 5 | 6 9 3
5 6 7 | 9 38 23 | 28 1 4
4 3 9 | 28 6 1 | 278 25 57
*--------------------------------------------------*
| 9 8 1 | 7 5 6 | 4 3 2 |
| 3 7 6 | 1 2 4 | 9 58 58 |
| 2 5 4 | 3 9 8 | 1 7 6 |
*----------------+----------------+----------------|
| 7 249 3 | 6 48 29 | 5 248 1 |
| 6 249 5 | 28 1 279 | 3 248 78 |
| 1 a24 8 | 5 b34 237 | 7-2 6 9 |
*----------------+----------------+----------------|
| 8 1 2 | 4 7 5 | 6 9 3 |
| 5 6 7 | 9 c38 23 |d28 1 4 |
| 4 3 9 | 28 6 1 | 278 25 57 |
*--------------------------------------------------*
pjb wrote:Using DP (29) r45c26:
(7=2)r6c7 - (2=4)r6c2 - (4=7)DP => -7 r5c9, r6c6; stte
+---------+-----------+------------+
| 9 8 1 | 7 5 6 | 4 3 2 |
| 3 7 6 | 1 2 4 | 9 58 58 |
| 2 5 4 | 3 9 8 | 1 7 6 |
+---------+-----------+------------+
| 7 249 3 | 6 48 29 | 5 248 1 |
| 6 249 5 | 28 1 279 | 3 248 78 |
| 1 24 8 | 5 34 237 | 27 6 9 |
+---------+-----------+------------+
| 8 1 2 | 4 7 5 | 6 9 3 |
| 5 6 7 | 9 38 23 | 28 1 4 |
| 4 3 9 | 28 6 1 | 278 25 57 |
+---------+-----------+------------+
Marty R. wrote:
- Code: Select all
+---------+-----------+------------+
| 9 8 1 | 7 5 6 | 4 3 2 |
| 3 7 6 | 1 2 4 | 9 58 58 |
| 2 5 4 | 3 9 8 | 1 7 6 |
+---------+-----------+------------+
| 7 249 3 | 6 48 29 | 5 248 1 |
| 6 249 5 | 28 1 279 | 3 248 78 |
| 1 24 8 | 5 34 237 | 27 6 9 |
+---------+-----------+------------+
| 8 1 2 | 4 7 5 | 6 9 3 |
| 5 6 7 | 9 38 23 | 28 1 4 |
| 4 3 9 | 28 6 1 | 278 25 57 |
+---------+-----------+------------+
Play this puzzle online at the Daily Sudoku site
XY-Wing (78-2) with transport, pivot r5c9.
(2=7)r6c7-(7=8)r5c9-(8=2)r5c4-r9c4=r8c6=>r8c7<>2
*--------------------------------------------------*
| 9 8 1 | 7 5 6 | 4 3 2 |
| 3 7 6 | 1 2 4 | 9 58 58 |
| 2 5 4 | 3 9 8 | 1 7 6 |
*----------------+----------------+----------------|
| 7 249 3 | 6 48 29 | 5 d248 1 |
| 6 249 5 |a28 1 279 | 3 d248 b78 |
| 1 24 8 | 5 34 237 |c27 6 9 |
*----------------+----------------+----------------|
| 8 1 2 | 4 7 5 | 6 9 3 |
| 5 6 7 | 9 38 23 | 28 1 4 |
| 4 3 9 | 8-2 6 1 | 278 e25 57 |
*--------------------------------------------------*