Easy Sudoku Twelve Logic Puzzles (Vol 1)
Chapter 54: Two Easy (DiffLev 3-4) Unpredicably Puzzles (numbers 187-188)
- Step-by-step instructions for solving Puzzle 187, (49/144) Diff: 3/991
- Step-by-step instructions for solving Puzzle 188, (69/144) Diff: 4/9991