Sudoku @ sz.dk

Max. level of difficulty


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

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