Sudoku @ sz.dk

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

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