Sudoku tutorial #93 A procedure or not!
31:32
Sudoku Tutorial #94 1 number solved = many numbers solved.
24:35
Tutorial #92 Always something to learn. Intermediate level.
28:25
Tutorial #78 Sudoku. The Bug +1
22:27
Sudoku tutorial #90 Part 2 You try it / I'll try it Part 2
28:59
Tutorial #60 Cell-ebration. It can't go there. A difficult sudoku puzzle from beginning to end.
31:50
Tutorial #80 A difficult sudoku puzzle made easy
29:43
Sudoku Tutorial # 88 The many tricks for Matching Pairs.
17:59