Tagged in sudoku

Representing Sudoku variants as set multicover problems
How to represent variant sudoku puzzles as exact cover problems.
(1244 words)
A Dancing Links implementation for set multicover
An implementation of Knuth's Dancing Links for my sudoku solver.
(1264 words)
A variant sudoku solver
A Python module for solving variant sudoku.
(801 words)
On Miracle Sudoku
An exploration of a pleasing variant sudoku with Knuth’s "Dancing Links".
(594 words)