Variations on Sudoku-by5 Logic Puzzles (Vol 1) 
 Chapter 8: Three TournamentPlus Sudoku-by5 Puzzles (numbers 16-18) 
 
-  Step-by-step instructions for solving  Puzzle 16, (262/369)   Diff: 37/9.9999.9983.22C5.4337.65B4.9997.1112.3449+
 -  Step-by-step instructions for solving  Puzzle 17, (269/369)   Diff: 42/99.9999.7974.4322.2699.9456.63A1.1322.4434+
 -  Step-by-step instructions for solving  Puzzle 18, (261/369)   Diff: 43/999.9897.9634.8556.7574.6699.7348.43A1.21A1+