Sudoku v.2.0.0

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Expert

	9
	4
					2			9
	1						6

					9			8
				1
								4
	6

Advanced

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

Very Hard

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

Hard

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

Moderate

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

Easy

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

Very Easy

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

7	8	9
4	5	6
1	2	3
	0