Puzzle clearly in the "grey zone"
The solution below is made of fishes, AIC's and krakens (i.e. no multi-kraken).
No optimisation, not even a guaranty of no mistake... No PM at each step.
- Code: Select all
+--------------------------+---------------------------+---------------------------+
| 46789 489 46789 | 124789 12458 15789 | 356789 13569 13589 |
| 6789 1 2 | 789 58 3 | 56789 569 4 |
| 4789 5 3 | 14789 148 6 | 789 19 2 |
+--------------------------+---------------------------+---------------------------+
| 12349 2349 49 | 1469 7 19 | 34569 8 1359 |
| 134789 3489 4789 | 5 13468 189 | 2 13469 139 |
| 13489 6 5 | 1489 1348 2 | 349 1349 7 |
+--------------------------+---------------------------+---------------------------+
| 234568 2348 468 | 2678 9 578 | 1 2345 358 |
| 245689 2489 4689 | 3 12568 158 | 4589 7 589 |
| 23589 7 1 | 28 258 4 | 3589 2359 6 |
+--------------------------+---------------------------+---------------------------+
1. JF(8)r2369\c1457 => -8 r1c1457, r5c15, r7c14, r8c157
2. JF(9)r2369\c1478 => -9 r1c1478, r4c148, r5c18, r8c17
- Code: Select all
+-------------------------+-------------------------+-------------------------+
| 467 489 46789 | 1247 1245 15789 | 3567 1356 13589 |
| 6789 1 2 | 789 58 3 | 56789 569 4 |
| 4789 5 3 | 14789 148 6 | 789 19 2 |
+-------------------------+-------------------------+-------------------------+
| 1234 2349 49 | 146 7 19 | 3456 8 1359 |
| 1347 3489 4789 | 5 1346 189 | 2 1346 139 |
| 13489 6 5 | 1489 1348 2 | 349 1349 7 |
+-------------------------+-------------------------+-------------------------+
| 23456 2348 468 | 267 9 578 | 1 2345 358 |
| 2456 2489 4689 | 3 1256 158 | 45 7 589 |
| 23589 7 1 | 28 258 4 | 3589 2359 6 |
+-------------------------+-------------------------+-------------------------+
3. %#*(194=6)r4c346 - ^(6)r5c5 = (6-1)r8c5 = r8c6% - (1=9)r4c6# - (9=4)r4c3* - r5c123 = (46)r5c58^ => -4 r4c127*, -13 r5c5^, -9 r4c29#, -1 r5c6%; lcls, 1 placement
4. (9=4)r6c7 - (4=5)r8c7 - (5=189)r458c6 =>-9r6c4
- Code: Select all
+-------------------------+-------------------------+-------------------------+
| 467 489 46789 | 1247 1245 1578 | 3567 1356 13589 |
| 6789 1 2 | 789 58 3 | 56789 569 4 |
| 4789 5 3 | 14789 148 6 | 789 19 2 |
+-------------------------+-------------------------+-------------------------+
| 123 23 49 | 146 7 19 | 356 8 135 |
| 1347 3489 4789 | 5 46 89 | 2 1346 139 |
| 1489 6 5 | 148 3 2 | 49 149 7 |
+-------------------------+-------------------------+-------------------------+
| 23456 2348 468 | 267 9 578 | 1 2345 358 |
| 2456 2489 4689 | 3 1256 158 | 45 7 589 |
| 23589 7 1 | 28 258 4 | 3589 2359 6 |
+-------------------------+-------------------------+-------------------------+
5. Kraken row (1)r6c148
(1-8)r6c1 = r6c4 - (8=9)r5c6 - (9=1)r4c6
(1)r6c4 - (1=496)r4c346 - r5c5 = (6-1)r8c5 = (1)r8c6
(1)r6c8 - r45c9 = (1)r1c9
=> -1 r1c6
6. Kraken cell (146)r4c4
(1)r4c4 - (1=9)r4c6 - (9=8)r5c6 - r6c4 = (8)r6c1
(4)r4c4 - (4=9)r4c3
(6)r4c4 - r5c5 = (6-1)r8c5 = r8c6 - (1=9)r4c6 - (9=8)r5c6 - r6c4 = (8)r6c1
=> -9 r6c1
7. Kraken cell (468)r7c3
(4)r7c3 - r4c3 = (4)r4c4
(6)r7c3 - r7c4 = r4c4 - (6=4)r5c5
(8)r7c3 - (8=351)r457c9 - (1=94)r6c78
=>-4r6c4
8. Kraken cell (569)r2c8
(5)r2c8 - (5=8)r2c5
(6)r2c8 - r5c8 = r5c5 - r8c5 = (6-7)r7c4 = r7c6 - (7=58)b2p35
(9)r2c8 - (9=578)b2p345
=> -8 r3c45
9. Kraken column (1)r138c5
(1-2)r1c5 = r1c4 - (2=8)r9c4
(1)r3c5 - (1=9)r3c8 - r3c4 = (9)r2c4
(1)r8c5 - r8c6 = r4c6 - (1=8)r6c4
=> -8 r2c4
10. Kraken box (5)b9p234678
||(54-2)b9p24 = r9c8 - (2=8)r9c4
||(5)r78c9 - (5=231)r4c19 - (1=89)r45c6
||(5)r9c78 - (5=28)r9c45
=> -8 r78c6
11. *(9=45)r68c7 - ^(5=1)r8c6 - (1=946)r4c346 - (6=41)r35c5 - (1=9)r3c8* - r1c9 = (9)r8c9^ => -9 r6c8*, -5 r8c9^; 2 placements
- Code: Select all
+-------------------------+----------------------+-----------------------+
| 467 489 46789 | 1247 1245 578 | 3567 1356 1359 |
| 6789 1 2 | 79 58 3 | 5678 569 4 |
| 4789 5 3 | 1479 14 6 | 78 19 2 |
+-------------------------+----------------------+-----------------------+
| 123 23 49 | 46 7 19 | 356 8 135 |
| 1347 3489 4789 | 5 46 89 | 2 1346 13 |
| 148 6 5 | 18 3 2 | 9 14 7 |
+-------------------------+----------------------+-----------------------+
| 23456 2348 468 | 267 9 57 | 1 235 358 |
| 256 289 689 | 3 1256 15 | 4 7 89 |
| 2359 7 1 | 28 258 4 | 35 2359 6 |
+-------------------------+----------------------+-----------------------+
12. (1)r8c5 = r8c6 - (1=946)r4c346 - r5c5 = (6)r8c5 => -25 r8c5
13. (2)r4c1 = (2-5)r8c1 = (5-1)r8c6 = (1)r4c6 => -1 r4c1
14. (5=1)r4c9 - (1=98)r45c6 - r1c6 = (8-5)r2c5 = (5)r1c56 => -5 r1c9
15. (8)r7c9 = (8-9)r8c9 = r1c9 - (9=1)r3c8 - r3c5 = r8c5 - r8c6 = r4c6 -(1=5)r4c9 => -5 r7c9; 20 placements
16. (3=2)r4c1 - r8c1 = (2-9)r8c2 = (9)r9c1 => -3 r9c1; ste