# Working Backwards Toward Change

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### Sudoku Puzzles

In the July 3 segment, Will Shortz mentions Sudoku, a new puzzle craze. Here's a link for more information:

NPR's Puzzlemaster Will Shortz quizzes one of our listeners, and has a challenge for everyone at home.

Challenge from June 26:

From Erich Friedman of Orange City, Florida: An imaginary country mints coins in three denominations. Each denomination has an integral number, 1, 2, 3, etc. The amounts, 20, 23 and 29, can each be made with exactly three coins. What are the three denominations minted?

Answer: The numbers are 6, 7 and 11 or 5, 9, 10.

Winner: Kymberly Doucette, from Foothill Ranch, Calif.

Challenge for July 3:

Take the name, Arthur Conan Doyle. If you select the first and last letters of each of the three words, A, R of Arthur, C, N of Conan, and D, E, of Doyle, they can be rearranged to spell dancer. Now, what famous American woman, with a three part name, when you select the first and last letters of each word in her name and rearrange them, makes the word, berths. Who is this woman?