Sudoku @ sz.dk

Max. level of difficulty


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

Estimated difficulty: 19.8 (<8: low, >45: high)