A General Logic for Sudoku

Golden Nugget

 

 

Elimination 14

 

 

 

 

Elimination 14 to Golden Nugget using set logic. Above, two-dimensional grid diagram. Below three-dimensional view. No analysis.

 

 

 

 

Set Logic and Grid

 

E14a 59 Nodes, Rank 3:

     20 Sets = {2r347 4r34 8r8 7c5689 8c2 2n127 3n1289 7b1 4b9}

     23 Links = {1r3 7r12368 2c147 4c27 3n6 4n8 7n9 8n89 689b1 24b3 7b5 8b7}

     --> (7r1) => r1c7<>7

 

 

Grid

 

  +-----------------------------------------------------------------------------+

  | 2568(7) 1456(8) 1245(7) | 268     246(7)  468(7)  | 1247    3       9       |

  | (289)   (489)   24(7)   | 389     234(7)  1       | (247)   6       5       |

  | (269)   (1469)  3       | 69(2)   5       9(47)   | 8       (1247)  (1247)  |

  +-----------------------------------------------------------------------------+

  | 35(2)   35(4)   8       | 15      9       35(7)   | 1357(24 1(247)  6       |

  | 3569    7       456     | 13568   136     2       | 13459   1489    1348    |

  | 1       3569    256     | 4       36(7)   3568(7) | 23579   289(7)  238(7)  |

  +-----------------------------------------------------------------------------+

  | 367     136     9       | 16(2)   8       346     | 137(24) 5       1(24)   |

  | 357(8)  2       157     | 1359    134     3459    | 6       19(478) 13(478) |

  | 4       1356(8) 156     | 7       1236    3569    | 1239    1289    1238    |

  +-----------------------------------------------------------------------------+

 

Logic Diagram