Sudoku @ sz.dk

Max. level of difficulty


	4		6			2	1	3	5
	2	7	9
			3	8			7	9
	1	6		9		8	3	2	7
		9	4		2		6	5
	7	3	2	6		1		4	8
		5	7			6	2
							5	7	3
	9	2	8	5			4		6

Estimated difficulty: 13.7 (<8: low, >45: high)