Twin Corresponding Sudoku

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Twin Corresponding Sudoku
Twin Corresponding Sudoku consists of a pair of standard sudoku puzzles each with some starting digits. To get a complete solution for the twin puzzles, it is necessary to solve each twin puzzle, but the complete solution of the twin puzzles will be obtained by substituting the corresponding values of the digits from one twin sudoku into the other.
For example, in row 2 column 1, in twin 1 (sudoku no.1) contains the number 9 and twin 2 (sudoku no.2) contains the number 8. This means that wherever 9 appears in twin 1 , it should be substituted by 8 in the corresponding position in twin 2 and wherever there is a 8 in twin 2 there is a 9 in twin 1. This immediately gives you some more starting digits in each twin.


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