Sudoku @ sz.dk

Max. level of difficulty


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

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