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tong wen

Posted by palmtenor at 2008-01-31 14:18:27 on Problem 3490
In Reply To:what did you mean of "distance of three" ? Posted by:Sudoku at 2008-01-31 14:13:07
> can we jump from (1,1) -> (2,4) ?
> 
> (1,1) -> (2,2) -> (2,3) -> (2,4)

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