Sudoku Game: ME-109 Medium

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