Challenging Sudoku Twelve Logic Puzzles (Vol 1)

Chapter 50: Two Challenging (DiffLev 19) Unformalized Puzzles (numbers 179-180)

• Step-by-step instructions for solving Puzzle 179, (87/144)   Diff: 19/611.1452.1112.7999.9724
• Step-by-step instructions for solving Puzzle 180, (101/144)   Diff: 19/951.1464.431B.3474.8996