Challenging Sudoku Twelve Logic Puzzles (Vol 1)

Chapter 44: Two Challenging (DiffLev 18-19) Recognizably Puzzles (numbers 167-168)

• Step-by-step instructions for solving Puzzle 167, (85/144)   Diff: 18/92.2112.C213.4566.5699
• Step-by-step instructions for solving Puzzle 168, (95/144)   Diff: 19/996.7531.3B14.7736.8644