Sudoku @ sz.dk

Max. level of difficulty


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

Estimated difficulty: 16.8 (<8: low, >45: high)