|
A General Logic for Sudoku Golden Nugget |
|
Elimination 49 Elimination 49, which looks lind of like a helicopter from the side, is a simple example of a triplet. With 7sets and 9 linksets, it has a rank of 2. The triplet at 1r1c7 lowers the rank along the direction of the ALS in r12c7 to 1, thus producing ther elimination.
Set Logic and Grid E49a
18 Nodes, Rank 2: 7 Sets = {6r5 1r7 12n7 1b15 4b4} 9 Links = {1r1 4r4 1c2 1c4 124c7 5n35} --> (4r4*4c7) => r4c7<>4
+--------------------------------------------------------------------+ | 257
45(1) 257(1) | 68 247
68 | (124) 3
9 | | 89
89 247 | 3
47 1 |
(24) 6 5
| | 26
46(1) 3 | 29
5 49 | 8
147 147 |
+--------------------------------------------------------------------+ | 235
35(4) 8 | 5(1)
9 7 | 1345
124 6 | | 359
7 (46)
| 58(1) 3(16) 2
| 3459 1489 138
| | 1
3569 256 | 4
36 3568 | 3579
2789 378 |
+--------------------------------------------------------------------+ | 367
36(1) 9 | 26(1)
8 34 |
37(1) 5 24
| | 3578
2 157 | 159
134 359 | 6
14789 13478 | | 4
368 156 | 7
126 3569 | 139
189 1238 |
+--------------------------------------------------------------------+ Logic Diagram |
