Sudoku Game: HA-94 Hard

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