Sudoku @ sz.dk

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

Estimated difficulty: 13.8 (<8: low, >45: high)