Sudoku Game: HA-113 Hard

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