Difficult Sudoku Twelve Logic Puzzles (Vol 1)

Chapter 53: Two Difficult (DiffLev 10-14) Unperishably Puzzles (numbers 185-186)

• Step-by-step instructions for solving Puzzle 185, (83/144)   Diff: 10/99.7899.8972
• Step-by-step instructions for solving Puzzle 186, (95/144)   Diff: 14/99.6866.5434.4799