Variations on Sudoku-by5 Logic Puzzles (Vol 1) 
 Chapter 14: Three Tournament Sudoku-Xtreme Puzzles (numbers 34-36) 
 
-  Step-by-step instructions for solving  Puzzle 34, (277/369)   Diff: 23/999.9999.9999.9973.AB44.8966
 -  Step-by-step instructions for solving  Puzzle 35, (272/369)   Diff: 25/9.9999.9999.9999.982A.1145.7692
 -  Step-by-step instructions for solving  Puzzle 36, (283/369)   Diff: 27/967.4879.9999.9999.7799.9682.4342