Medium Sudoku Twelve Logic Puzzles (Vol 1)
Chapter 26: Two Medium (DiffLev 5-7) Farsightedly Puzzles (numbers 131-132)
- Step-by-step instructions for solving Puzzle 131, (79/144) Diff: 5/9.9994
- Step-by-step instructions for solving Puzzle 132, (78/144) Diff: 7/999.9971