Sudoku @ sz.dk

Max. level of difficulty


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

Estimated difficulty: 34.8 (<8: low, >45: high)