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A General Logic for Sudoku Golden Nugget |
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Elimination 7
Elimination 7 to Golden Nugget using set logic. Above, two-dimensional grid diagram. Below three-dimensional view. No analysis.
Set Logic and Grid E7a 72 Nodes, Rank -1: 26 Sets = {47r1 1247r3 1247r4 124r7 147c3
6c8 2n37 2b1 1247b3 4b4 7b9} 25 Links = {267r2 7r8 2c1 4c2 12c4 47c6 1247c7
1n35 2n8 3n289 4n8 7n79 7b1 1b7} --> (2r2*2c4) => r2c4<>2
+-----------------------------------------------------------------------------+ | 568(27) 1568(4) 5(1247) | 268 26(47)
68(47) | (1247) 3
9 | | 689(2)
4689 (2467) | 2389
23467 1 | (247) (267)
5 | | 69(27)
69(14) 3 | 69(2) 5
69(47) | 8 (12467) (1247) |
+-----------------------------------------------------------------------------+ | 35(2)
35(4) 8 | 5(1) 9
35(7) | 35(1247 (1247) 6
| | 3569
7 56(4) | 13568
136 2 | 13459 1489
1348 | | 1
3569 256 | 4
367 35678 | 23579
2789 2378 |
+-----------------------------------------------------------------------------+ | 367
36(1) 9 | 6(12) 8
36(4) | 3(1247) 5 (1247)
| | 3578
2 5(17) | 1359
134 3459 | 6
1489(7) 1348(7) | | 4
13568 56(1) | 7
1236 3569 | 1239
1289 1238 | +-----------------------------------------------------------------------------+ Logic Diagram |
