Sudoku @ sz.dk

Max. level of difficulty


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

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