Sudoku @ sz.dk

Max. level of difficulty


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

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