Difficult sudoku - Page 546

Difficult sudoku - random selection

Sudoku #26704

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

Sudoku #31484

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

Sudoku #37464

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

Sudoku #53296

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

List of difficult sudoku - Page 546