Sudoku @ sz.dk

Max. level of difficulty


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

Estimated difficulty: 25.8 (<8: low, >45: high)