Sudoku @ sz.dk

Max. level of difficulty


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

Estimated difficulty: 22.8 (<8: low, >45: high)