This blog deals with grid-based puzzles and the various types of logic and ideas used to solve them. It also contains notices, information and results about various puzzle and sudoku championships across the globe.
Rules of 'Coded Sudoku'
Place numbers in the grid such that each row, column and 3x3 box contain the numbers 1 to 9. Different letters represent different numbers throughout the grid. Same letters represent same numbers throughout the grid.
This is one of my favourite variations :)
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