Very difficult sudoku - Page 627

Very difficult sudoku - random selection

Sudoku #65501

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

Sudoku #40833

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

Sudoku #4769

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

Sudoku #4001

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

List of very difficult sudoku - Page 627

Sudoku #3006

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

Sudoku #3005

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

Sudoku #3004

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

Sudoku #3003

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

Sudoku #3002

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

Sudoku #3001

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

Sudoku #3000

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