- Code: Select all
+---+---+---+
|8.9|..1|...|
|7..|...|6..|
|...|...|.3.|
+---+---+---+
|.3.|...|.2.|
|.4.|7..|...|
|..2|...|...|
+---+---+---+
|...|.7.|5..|
|...|32.|...|
|9..|...|..1|
+---+---+---+
+---+---+---+
|8.9|..1|...|
|7..|...|6..|
|...|...|.3.|
+---+---+---+
|.3.|...|.2.|
|.4.|7..|...|
|..2|...|...|
+---+---+---+
|...|.7.|5..|
|...|32.|...|
|9..|...|..1|
+---+---+---+
*---------------------------------------*
| 8 6 9 | 4 3 1 | 2 5 7 |
| 7 15 3 | 2 59 8 | 6 19 4 |
| 2 15 4 | 569 569 7 | 189 3 89 |
|----------+------------+---------------|
| 15 3 7 | 589 1589 6 | 4 2 589 |
| 156 4 8 | 7 159 2 |a19 169 3 |
| 156 9 2 | 58 4 3 | 7 d68-1 568 |
|----------+------------+---------------|
| 3 8 6 | 1 7 9 | 5 4 2 |
| 4 7 1 | 3 2 5 |b89 c689 689 |
| 9 2 5 | 68 68 4 | 3 7 1 |
*---------------------------------------*
after singles:
8 6 9 4 3 1 2 5 7
7 15 3 2 59 8 6 19 4
2 15 4 569 569 7 189 3 89
b1+5 3 7 589 1589 6 4 2 c-589
156 4 8 7 159 2 19 169 3
a+156 9 2 58 4 3 7 da±1+6×8 dc+5-68
3 8 6 1 7 9 5 4 2
4 7 1 3 2 5 89 689 689
9 2 5 68 68 4 3 7 1
+------------------+--------------------+--------------------+
| 8 6 9 | 4 3 1 | 2 5 7 |
| 7 15 3 | 2 c59 8 | 6 b19 4 |
| 2 15 4 | 569 569 7 | 189* 3 89* |
+------------------+--------------------+--------------------+
| 15 3 7 | 589 1589 6 | 4 2 589 |
| 156 4 8 | 7 d159 2 | d19 d169 3 |
| 156 9 2 | 58 4 3 | 7 168 568 |
+------------------+--------------------+--------------------+
| 3 8 6 | 1 7 9 | 5 4 2 |
| 4 7 1 | 3 2 5 | 89* 89-6 a689* |
| 9 2 5 | 68 68 4 | 3 7 1 |
+------------------+--------------------+--------------------+
+----------------+----------------+----------------+
! 8 6 9 ! 4 3 1 ! 2 5 7 !
! 7 15 3 ! 2 59 8 ! 6 19 4 !
! 2 15 4 ! 569 569 7 ! 189 3 89 !
+----------------+----------------+----------------+
! 15 3 7 ! 589 1589 6 ! 4 2 589 !
! 156 4 8 ! 7 159 2 ! 19 169 3 !
! 156 9 2 ! 58 4 3 ! 7 168 568 !
+----------------+----------------+----------------+
! 3 8 6 ! 1 7 9 ! 5 4 2 !
! 4 7 1 ! 3 2 5 ! 89 689 689 !
! 9 2 5 ! 68 68 4 ! 3 7 1 !
+----------------+----------------+----------------+
65 candidates, 228 csp-links and 228 links. Density = 10.96%
biv-chain-cn[3]: c7n1{r5 r3} - c7n8{r3 r8} - c8n8{r8 r6} ==> r6c8≠1
stte