Sudoku @ sz.dk

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

Estimated difficulty: 10.7 (<8: low, >45: high)