Sudoku @ sz.dk

Max. level of difficulty


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

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