Sudoku @ sz.dk

Max. level of difficulty


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

Estimated difficulty: 10.7 (<8: low, >45: high)