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

I found some newer methods like hidden single and block elimination which when combined with crossing the bridge and climbing the ladder give very quick results.

P J Naidu

Contact me at sudoku.india@gmail.com

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