Very difficult sudoku - Page 614

Very difficult sudoku - random selection

Sudoku #5521

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

Sudoku #26365

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

Sudoku #13369

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

Sudoku #28649

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

List of very difficult sudoku - Page 614