Sudoku @ sz.dk

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

Estimated difficulty: 31.8 (<8: low, >45: high)