Challenging Sudoku Twelve Logic Puzzles (Vol 1)

Chapter 55: Two Challenging (DiffLev 17-19) Voluntaryism Puzzles (numbers 189-190)

• Step-by-step instructions for solving Puzzle 189, (86/144)   Diff: 17/9.6434.3436.7644.6472
• Step-by-step instructions for solving Puzzle 190, (97/144)   Diff: 19/564.3357.5574.4563.3597