Sudoku @ sz.dk

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

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