Difficult Sudoku Twelve Logic Puzzles (Vol 1)

Chapter 29: Two Difficult (DiffLev 12-14) Goldsmithery Puzzles (numbers 137-138)

• Step-by-step instructions for solving Puzzle 137, (91/144)   Diff: 12/9761.C599.9933
• Step-by-step instructions for solving Puzzle 138, (96/144)   Diff: 14/96.6757.6985.9555