For puzzle solvers who want the ultimate sudoku challenge, London's
Independent newspaper brings together a second collection of the large and
incredibly addictive super sudoku puzzles, with an expanded 4-by-4 box. In
addition to the numbers 0 through 9, the letters A through F must also be put into each grid, without repeating in any row or column.
Independent newspaper brings together a second collection of the large and
incredibly addictive super sudoku puzzles, with an expanded 4-by-4 box. In
addition to the numbers 0 through 9, the letters A through F must also be put into each grid, without repeating in any row or column.
