Sudoku v.2.0.0

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Expert

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

Advanced

	1	8					5
		9
					8	4

	7						8
				8
								1
			7	5			4
3						5

Very Hard

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

Hard

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

Moderate

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

Easy

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

Very Easy

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

7	8	9
4	5	6
1	2	3
	0