Sudoku v.2.0.0

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Expert

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

Advanced

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

Very Hard

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

Hard

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

Moderate

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

Easy

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

Very Easy

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

7	8	9
4	5	6
1	2	3
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