Challenging Sudoku Twelve Logic Puzzles (Vol 1)
Chapter 37: Two Challenging (DiffLev 17-20) Outfieldsman Puzzles (numbers 153-154)
- Step-by-step instructions for solving Puzzle 153, (90/144) Diff: 17/9.9623.3424.2246.5972
- Step-by-step instructions for solving Puzzle 154, (94/144) Diff: 20/9523.3112.1345.8699.9444