Challenging Sudoku Twelve Logic Puzzles (Vol 1)
Chapter 21: Two Challenging (DiffLev 19) Configurated Puzzles (numbers 121-122)
- Step-by-step instructions for solving Puzzle 121, (96/144) Diff: 19/679.6323.443B.2576.9952
- Step-by-step instructions for solving Puzzle 122, (96/144) Diff: 19/511.2374.2143.2388.6999