Challenging Sudoku Twelve Logic Puzzles (Vol 1)

Chapter 51: Two Challenging (DiffLev 15-20) Unimprovable Puzzles (numbers 181-182)

• Step-by-step instructions for solving Puzzle 181, (92/144)   Diff: 15/945.2365.9564.8964
• Step-by-step instructions for solving Puzzle 182, (96/144)   Diff: 20/5922.1212.4554.2546.9964