Sudoku @ sz.dk

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

Estimated difficulty: 22.8 (<8: low, >45: high)