- Code: Select all
*-----------*
|.83|...|6..|
|...|28.|..7|
|9..|..1|..3|
|---+---+---|
|..5|9.2|.3.|
|.2.|.1.|.6.|
|.9.|3.4|1..|
|---+---+---|
|2..|5..|..1|
|4..|.36|...|
|..8|...|45.|
*-----------*
Play/Print this puzzle online
*-----------*
|.83|...|6..|
|...|28.|..7|
|9..|..1|..3|
|---+---+---|
|..5|9.2|.3.|
|.2.|.1.|.6.|
|.9.|3.4|1..|
|---+---+---|
|2..|5..|..1|
|4..|.36|...|
|..8|...|45.|
*-----------*
*-----------------------------------------------------------------------*
| 157 8 3 | 4 9 57 | 6 12 25 |
| 156 146 146 | 2 8 3 | 59 149 7 |
| 9 47 2 | 6 c57 1 |b58 48 3 |
|-----------------------+-----------------------+-----------------------|
| 1678 1467 5 | 9 67 2 |a78A 3 48 |
| 3 2 47 | 78 1 578 | 579 6 459 |
| 678 9 67 | 3 d567 4 | 1 28B 5-2-8 |
|-----------------------+-----------------------+-----------------------|
| 2 67 679 | 5 4 78 | 3 789 1 |
| 4 5 179 | 178 3 6 | 2 789 89 |
| 17 3 8 | 17 2 9 | 4 5 6 |
*-----------------------------------------------------------------------*
l2 wing with bi-value extension cell:
-8 r4c7 = (8-5) r3c7 = r3c5 - r6c5 = r6c9;
8 r4c7 - (8=2) r6c8 - (28=5) r6c9; => r6c9 <> 2,8; stte
Leren
+-----------------+-----------------+-------------------+
| 157 8 3 | 4 9 57 | 6 12 25 |
| 156 146 146 | 2 8 3 | (59) 149 7 |
| 9 47 2 | 6 7(5) 1 | 8-5 48 3 |
+-----------------+-----------------+-------------------+
| 1678 1467 5 | 9 67 2 | 78 3 48 |
| 3 2 47 | 78 1 578 | 7(59) 6 4(59) |
| 678 9 67 | 3 67(5) 4 | 1 28 28(5) |
+-----------------+-----------------+-------------------+
| 2 67 679 | 5 4 78 | 3 789 1 |
| 4 5 179 | 178 3 6 | 2 789 89 |
| 17 3 8 | 17 2 9 | 4 5 6 |
+-----------------+-----------------+-------------------+
+-----------------+-----------------+-------------------+
| 157 8 3 | 4 9 57 | 6 12 25 |
| 156 146 146 | 2 8 3 |(59) *149 7 |
| 9 47 2 | 6 75 1 |(85) 48 3 |
+-----------------+-----------------+-------------------+
| 1678 1467 5 | 9 67 2 |(78) 3 48 |
| 3 2 *47 | 78 1 578 | 759 6 459 |
| 678 9 *67 | 3 675 4 | 1 28 285 |
+-----------------+-----------------+-------------------+
| 2 67 #679 | 5 4 78 | 3 #789 1 |
| 4 5 #179 | 178 3 6 | 2 #789 89 |
| 17 3 8 | 17 2 9 | 4 5 6 |
+-----------------+-----------------+-------------------+
*-----------------------------------------------------------*
| 157 8 3 | 4 9 57 | 6 12 25 |
| 156 146 146 | 2 8 3 | 59 149 7 |
| 9 47 2 | 6 a57 1 |a58 48 3 |
|-------------------+-------------------+-------------------|
| 1678 1467 5 | 9 b67 2 | 7-8 3 48 |
| 3 2 47 | 78 1 578 | 579 6 459 |
| 678 9 67 | 3 b567 4 | 1 c28 c258 |
|-------------------+-------------------+-------------------|
| 2 67 679 | 5 4 78 | 3 789 1 |
| 4 5 179 | 178 3 6 | 2 789 89 |
| 17 3 8 | 17 2 9 | 4 5 6 |
*-----------------------------------------------------------*
als xy-wing
(8=7)r3c57-(7=5)r46c5-(5=28)r6c89 => -8r4c7; ste
eleven wrote:Cool, your hidden pairs
- Code: Select all
+-----------------+-----------------+-------------------+
| 157 8 3 | 4 9 57 | 6 12 25 |
| 156 146 146 | 2 8 3 |(59) *149 7 |
| 9 47 2 | 6 75 1 |(85) 48 3 |
+-----------------+-----------------+-------------------+
| 1678 1467 5 | 9 67 2 |(78) 3 48 |
| 3 2 *47 | 78 1 578 | 759 6 459 |
| 678 9 *67 | 3 675 4 | 1 28 285 |
+-----------------+-----------------+-------------------+
| 2 67 #679 | 5 4 78 | 3 #789 1 |
| 4 5 #179 | 178 3 6 | 2 #789 89 |
| 17 3 8 | 17 2 9 | 4 5 6 |
+-----------------+-----------------+-------------------+
DP 79 in r78c38: external candidates 7r56c3=9r2c8
7r56c3=9r2c8-(9=7)r234c7 => r4c12<>7
tlanglet wrote:Very Nice
+---------------+-------------+-------------+
| 157 8 3 | 4 9 57 | 6 12 25 |
| 156 146 146 | 2 8 3 | 59 149 7 |
| 9 47 2 | 6 57 1 | 58 48 3 |
+---------------+-------------+-------------+
| 1678 1467 5 | 9 67 2 | 78 3 48 |
| 3 2 47 | 78 1 578 | 579 6 459 |
| 678 9 67 | 3 567 4 | 1 28 258 |
+---------------+-------------+-------------+
| 2 67 679 | 5 4 78 | 3 789 1 |
| 4 5 179 | 178 3 6 | 2 789 89 |
| 17 3 8 | 17 2 9 | 4 5 6 |
+---------------+-------------+-------------+