This is a second PRIZE CONTEST, connected to my magazine

number 21, page 21 from AUGUST 1999

I will consider all the solutions I received by letter until December 31, 1999.

Cheer, **Rodolfo M. Kurchan**

PUZZLE FUN Editor

#1 | Divide the squares of 10x10, 11x11 and 12x12 in the least quantity of pieces, that reordering the pieces you can form a 13x13 and 14x14 square.Example: Here is with only 10 different pieces: |

#2 | If allow that you use copies of only one shape, the solution would be using 365 squares of 1x1. But what is the least quantity of pieces needed if only 2 shapes are allowed? |

#3 | As 2) but you can use only 3 different shapes.Example: Here is a solution with 39 diferent pieces: I used 33 , 4 and 2 , so 33 + 4 + 2 = 39 pieces. |

#4 | As 2) but you can use only 4 different shapes |

#5 | As 2) but you can use only 5 different shapes. |

Send me the 5 solutions. The one who uses the least quantity of pieces will be the winner.

**Rodolfo Marcelo Kurchan** / Lavalle 3340 21"3" / (1190) Buenos Aires - Argentina

**eMail: rodolfo@kurchan.com.ar
http://www.bigfoot.com/~velucchi/pfun/pfun.html**

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