Sudoku v.2.0.0

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Expert

	8					9
					4	2
				9
	1			6	3
		6	1

4
					7			5
		1

Advanced

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

Very Hard

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

Hard

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

Moderate

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

Easy

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

Very Easy

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

7	8	9
4	5	6
1	2	3
	0