Easy Sudoku Twelve Logic Puzzles (Vol 1)
Chapter 21: Two Easy (DiffLev 3-4) Configurated Puzzles (numbers 121-122)
- Step-by-step instructions for solving Puzzle 121, (50/144) Diff: 3/992
- Step-by-step instructions for solving Puzzle 122, (73/144) Diff: 4/9995