
Easier and harder vaki puzzles are like Sudoku - complete the grid so that each letter and each number appears once in each row and once in column. However, and unlike Sudoku, each cell in the grid contains a letter and a number and each pair appears only once in the grid. This...


Easier and harder vaki puzzles are like Sudoku - complete the grid so that each letter and each number appears once in each row and once in column. However, and unlike Sudoku, each cell in the grid contains a letter and a number and each pair appears only once in the grid. This...