Sudoku v.2.0.0

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Expert

								6
			6				8
			7					1
	2	6			4
	8	3				6

				2
		9				2
	7			3

Advanced

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

Very Hard

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

Hard

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

Moderate

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

Easy

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

Very Easy

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

7	8	9
4	5	6
1	2	3
	0