Variations on Challenging Sudoku-by5 Logic Puzzles (Vol 1)
Chapter 5: Eight Challenging Education-Xtreme Puzzles (numbers 17-24)
- Step-by-step instructions for solving Puzzle 17, (264/369) Diff: 16/9999.9999.9999.9994
- Step-by-step instructions for solving Puzzle 18, (262/369) Diff: 18/99.9999.9999.9998.9574
- Step-by-step instructions for solving Puzzle 19, (269/369) Diff: 18/99.9999.9999.9989.9994
- Step-by-step instructions for solving Puzzle 20, (246/369) Diff: 19/999.9999.9244.B145.9757
- Step-by-step instructions for solving Puzzle 21, (264/369) Diff: 19/999.9999.9999.9777.9741
- Step-by-step instructions for solving Puzzle 22, (247/369) Diff: 20/9999.991A.2221.A235.4653
- Step-by-step instructions for solving Puzzle 23, (260/369) Diff: 20/9999.9999.9999.9999.5962
- Step-by-step instructions for solving Puzzle 24, (268/369) Diff: 20/9986.7899.9999.9999.9998