Sudoku @ sz.dk

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

Estimated difficulty: 7.4 (<8: low, >45: high)