- Code: Select all
*-----------*
|...|..4|..5|
|75.|.1.|.8.|
|..4|...|3..|
|---+---+---|
|2..|5.1|4.8|
|3..|.7.|..1|
|5.1|3.2|..7|
|---+---+---|
|..9|...|8..|
|.1.|.4.|.29|
|8..|6..|...|
*-----------*
Play/Print this puzzle online
*-----------*
|...|..4|..5|
|75.|.1.|.8.|
|..4|...|3..|
|---+---+---|
|2..|5.1|4.8|
|3..|.7.|..1|
|5.1|3.2|..7|
|---+---+---|
|..9|...|8..|
|.1.|.4.|.29|
|8..|6..|...|
*-----------*
*-----------------------------------------------------*
| 19 368 2368 | 289 36 4 | 7 169 5 |
| 7 5 236 | 29 1 36 | 69 8 4 |
| 19 68 4 | 789 5 78 | 3 169 2 |
|-----------------+-----------------+-----------------|
| 2 b679 67 | 5 a69 1 | 4 3 8 |
| 3 689 68 | 4 7 69 | 2 5 1 |
| 5 4 1 | 3 8 2 | 69 69 7 |
|-----------------+-----------------+-----------------|
| 4 23 9 | 1 23 5 | 8 7 6 |
| 6 1 37 | 78 4 378 | 5 2 9 |
| 8 c27 5 | 6 d2-9 79 | 1 4 3 |
*-----------------------------------------------------*
*-----------------------------------------------------------*
| 19 368 2368 | 289 36 4 | 7 169 5 |
| 7 5 236 | 29 1 36 | 69 8 4 |
| 19 68 4 | 789 5 78 | 3 169 2 |
|-------------------+-------------------+-------------------|
| 2 c69-7 67 | 5 b69 1 | 4 3 8 |
| 3 689 68 | 4 7 69 | 2 5 1 |
| 5 4 1 | 3 8 2 | 69 69 7 |
|-------------------+-------------------+-------------------|
| 4 23 9 | 1 23 5 | 8 7 6 |
| 6 1 37 | 78 4 378 | 5 2 9 |
| 8 a27 5 | 6 a29 79 | 1 4 3 |
*-----------------------------------------------------------*
(7=9)r9c25-r4c5=9r4c2 => -7r4c2; ste
*------------------------------------------------------*
| 19 368 2368 | 289 *36 4 | 7 169 5 |
| 7 5 236 | 29 1 36 | 69 8 4 |
| 19 68 4 | 789 5 78 | 3 169 2 |
|-----------------+------------------+-----------------|
| 2 679 67 | 5 69 1 | 4 3 8 |
| 3 689 68 | 4 7 69 | 2 5 1 |
| 5 4 1 | 3 8 2 | 69 69 7 |
|-----------------+------------------+-----------------|
| 4 23 9 | 1 23 5 | 8 7 6 |
| 6 1 *37 | 78 4 378 | 5 2 9 |
| 8 27 5 | 6 29 79 | 1 4 3 |
*----------------------------------------------- ------*
+-------------+------------+----------+
| 19 368 2368 | 289 36 4 | 7 169 5 |
| 7 5 236 | 29 1 36 | 69 8 4 |
| 19 68 4 | 789 5 78 | 3 169 2 |
+-------------+------------+----------+
| 2 679 67 | 5 69 1 | 4 3 8 |
| 3 689 68 | 4 7 69 | 2 5 1 |
| 5 4 1 | 3 8 2 | 69 69 7 |
+-------------+------------+----------+
| 4 23 9 | 1 23 5 | 8 7 6 |
| 6 1 37 | 78 4 378 | 5 2 9 |
| 8 27 5 | 6 29 79 | 1 4 3 |
+-------------+------------+----------+
Ngisa wrote:Same elimination as Leren, but using XY-Chain
(9=7)r9c6-(7=2)rr9c2-(2=3)r7c2-(3=7)r8c3-(7=6)r4c3-(6=9)r4c5 => r9c5<>9; stte.