- Code: Select all
*-----------*
|..4|.7.|.3.|
|1.2|...|.79|
|...|5..|...|
|---+---+---|
|39.|..5|...|
|...|..6|5.8|
|.8.|4..|...|
|---+---+---|
|...|...|2..|
|5..|61.|...|
|...|.89|...|
*-----------*
Play/Print this puzzle online
*-----------*
|..4|.7.|.3.|
|1.2|...|.79|
|...|5..|...|
|---+---+---|
|39.|..5|...|
|...|..6|5.8|
|.8.|4..|...|
|---+---+---|
|...|...|2..|
|5..|61.|...|
|...|.89|...|
*-----------*
*--------------------------------------------------------------*
| 8 6 4 | 9 7 2 | 1 3 5 |
| 1 5 2 | 3 46 8 | 46 7 9 |
| 79 37 39 | 5 46 1 | 8 246 246 |
|--------------------+--------------------+--------------------|
| 3 9 1 | 8 2 5 | 7 46 46 |
| 2 4 7 | 1 3 6 | 5 9 8 |
| 6 8 5 | 4 9 7 | 3 12 12 |
|--------------------+--------------------+--------------------|
|b49 1-3 b3689 | 7 5 a34 | 2 1468 1346 |
| 5 2 b38 | 6 1 34 | 9 48 7 |
| 47 137 b36 | 2 8 9 | 46 5 1346 |
*--------------------------------------------------------------*
*-----------------------------------------------------------*
| 8 6 4 | 9 7 2 | 1 3 5 |
| 1 5 2 | 3 46 8 | 46 7 9 |
| 79 37 39 | 5 46 1 | 8 246 246 |
*-------------------+-------------------+-------------------|
| 3 9 1 | 8 2 5 | 7 46 46 |
| 2 4 7 | 1 3 6 | 5 9 8 |
| 6 8 5 | 4 9 7 | 3 12 12 |
*-------------------+-------------------+-------------------|
| 9-4 d13 3689 | 7 5 a34 | 2 1468 1346 |
| 5 2 c38 | 6 1 b34 | 9 48 7 |
|d47 d137 36 | 2 8 9 | 46 5 1346 |
*-----------------------------------------------------------*
+-------------+---------+--------------+
| 8 6 4 | 9 7 2 | 1 3 5 |
| 1 5 2 | 3 46 8 | 46 7 9 |
| 79 37 39 | 5 46 1 | 8 246 246 |
+-------------+---------+--------------+
| 3 9 1 | 8 2 5 | 7 46 46 |
| 2 4 7 | 1 3 6 | 5 9 8 |
| 6 8 5 | 4 9 7 | 3 12 12 |
+-------------+---------+--------------+
| 49 13 3689 | 7 5 34 | 2 1468 1346 |
| 5 2 38 | 6 1 34 | 9 48 7 |
| 47 137 36 | 2 8 9 | 46 5 1346 |
+-------------+---------+--------------+
8 6 4 | 9 7 2 | 1 3 5
1 5 2 | 3 46 8 | 46 7 9
bB79 A37 a39 | 5 46 1 | 8 246 246
-------------------------+----------------------+---------------------
3 9 1 | 8 2 5 | 7 46 46
2 4 7 | 1 3 6 | 5 9 8
6 8 5 | 4 9 7 | 3 12 12
-------------------------+----------------------+---------------------
C49 1-3 689-3 | 7 5 D34 | 2 1468 1346
5 2 8-3 | 6 1 34 | 9 48 7
c47 137 e36 | 2 8 9 |d46 5 13-46
.-----------------.-----------.------------------.
| 8 6 4 | 9 7 2 | 1 3 5 |
| 1 5 2 | 3 46 8 | 46 7 9 |
| 79 37 39 | 5 46 1 | 8 a246 46-2 |
:-----------------+-----------+------------------:
| 3 9 1 | 8 2 5 | 7 a46 46 |
| 2 4 7 | 1 3 6 | 5 9 8 |
| 6 8 5 | 4 9 7 | 3 1-2 e12 |
:-----------------+-----------+------------------:
| 49 b13 3689 | 7 5 34 | 2 1468 1346 |
| 5 2 b38 | 6 1 34 | 9 a48 7 |
| 47 c137 36 | 2 8 9 | 46 5 d1346 |
'-----------------'-----------'------------------'
Marty R. wrote:
- Code: Select all
+-------------+---------+--------------+
| 8 6 4 | 9 7 2 | 1 3 5 |
| 1 5 2 | 3 46 8 | 46 7 9 |
| 79 37 39 | 5 46 1 | 8 246 246 |
+-------------+---------+--------------+
| 3 9 1 | 8 2 5 | 7 46 46 |
| 2 4 7 | 1 3 6 | 5 9 8 |
| 6 8 5 | 4 9 7 | 3 12 12 |
+-------------+---------+--------------+
| 49 13 3689 | 7 5 34 | 2 1468 1346 |
| 5 2 38 | 6 1 34 | 9 48 7 |
| 47 137 36 | 2 8 9 | 46 5 1346 |
+-------------+---------+--------------+
Play this puzzle online at the Daily Sudoku site
DP (38-34-48)r78c368, using externals and internals
6r7c3=4r34c8=9r7c3
947c3-(9=43*)r7c16; (9=38)r18c3-(8=43*r8c86 contradiction,
Thus 6r7c3=4r34c8-(4=8)r8c3-(8=3)r8c3-(3=1749)b7p1278
........................................6r7c3-(6=31749)b7p12789=> 9147b7p1278
Leren wrote:ALS XZ Rule: X = 4, Z = 3: (3=4) r7c6 - (4=3) r7c1, r789c3 => - 3 r7c2; stte
- Code: Select all
*--------------------------------------------------------------*
| 8 6 4 | 9 7 2 | 1 3 5 |
| 1 5 2 | 3 46 8 | 46 7 9 |
| 79 37 39 | 5 46 1 | 8 246 246 |
|--------------------+--------------------+--------------------|
| 3 9 1 | 8 2 5 | 7 46 46 |
| 2 4 7 | 1 3 6 | 5 9 8 |
| 6 8 5 | 4 9 7 | 3 12 12 |
|--------------------+--------------------+--------------------|
|b49 1-3 b3689 | 7 5 a34 | 2 1468 1346 |
| 5 2 b38 | 6 1 34 | 9 48 7 |
| 47 137 b36 | 2 8 9 | 46 5 1346 |
*--------------------------------------------------------------*
9r7c3 – (9=4)r7c1 – (4=3)r7c6 – 3r7c2
|| /
8r7c3 – (8=3)r8c3 ------------
|| /
6r7c3 – (6=3)r9c3 ----------
|| /
3r7c3 --------------------