Medium Sudoku Twelve Logic Puzzles (Vol 1)
Chapter 32: Two Medium (DiffLev 5-8) Imponderably Puzzles (numbers 143-144)
- Step-by-step instructions for solving Puzzle 143, (77/144) Diff: 5/9.9993
- Step-by-step instructions for solving Puzzle 144, (81/144) Diff: 8/9999.9652