Difficult Sudoku Twelve Logic Puzzles (Vol 1)

Chapter 54: Two Difficult (DiffLev 12-14) Unpredicably Puzzles (numbers 187-188)

• Step-by-step instructions for solving Puzzle 187, (86/144)   Diff: 12/9776.7755.8984
• Step-by-step instructions for solving Puzzle 188, (88/144)   Diff: 14/95.3332.4789.9944