The UNBELIEVABLE Sudoku
49:57
The Devil's Miracle Sudoku
40:31
Simply One Of The Best Sudokus You'll Ever Play
1:06:38
One Of The Best Puzzles I've Ever Solved
53:13
Is This Sudoku Impossible?
1:02:00
This CANNOT Exist... (And Yet It Does)
42:41
The Lines that CONCEAL their IDENTITY!
36:38
The Dutch Master gives a Maths Lesson
53:12