Sudoku Game: ME-9 Medium

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