Medium Sudoku Twelve Logic Puzzles (Vol 1)
Chapter 29: Two Medium (DiffLev 7-8) Goldsmithery Puzzles (numbers 137-138)
- Step-by-step instructions for solving Puzzle 137, (84/144) Diff: 7/989.9982
- Step-by-step instructions for solving Puzzle 138, (87/144) Diff: 8/9979.8999