Sudoku Tutorial #96 Matching pairs make the day .
40:01
Sudoku Tutorial #97 a puzzle for all levels. Includes finned X wing.
10:18
Barn Find Treasure Hunt!
17:42
Sudoku 101: The Swordfish
29:51
Sudoku tutorial #69. Amazing puzzle with lots to learn with a breakthrough point.
53:13
Is This Sudoku Impossible?
24:35
Tutorial #92 Always something to learn. Intermediate level.
50:47
Tutorial #79 A sudoku Puzzle to blow your mind.!!! Locked little numbers.
29:43