Sudoku @ sz.dk

Max. level of difficulty


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

Estimated difficulty: 28.8 (<8: low, >45: high)