Difficult Sudoku Twelve Logic Puzzles (Vol 1)

Chapter 44: Two Difficult (DiffLev 14) Recognizably Puzzles (numbers 167-168)

• Step-by-step instructions for solving Puzzle 167, (83/144)   Diff: 14/97.5322.5444.6992
• Step-by-step instructions for solving Puzzle 168, (98/144)   Diff: 14/65.5995.6477.9986