Sudoku @ sz.dk

Max. level of difficulty


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

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