Variations on Advanced Sudoku Logic Puzzles (Vol 1)
Chapter 36: Four Challenging Sudoku-15up Puzzles (numbers 119-122)
- Step-by-step instructions for solving Puzzle 119, (133/225) Diff: 15/966.5776.9999.9982
- Step-by-step instructions for solving Puzzle 120, (124/225) Diff: 16/9855.7988.7689.7952
- Step-by-step instructions for solving Puzzle 121, (125/225) Diff: 16/9555.6986.5548.9992
- Step-by-step instructions for solving Puzzle 122, (118/225) Diff: 20/9997.2473.2223.5673.5832