Medium Sudoku Twelve Logic Puzzles (Vol 1)
Chapter 54: Two Medium (DiffLev 5-8) Unpredicably Puzzles (numbers 187-188)
- Step-by-step instructions for solving Puzzle 187, (74/144) Diff: 5/9.9994
- Step-by-step instructions for solving Puzzle 188, (80/144) Diff: 8/9669.9991