Sudoku Game: HA-122 Hard

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