PABLO F. VERDES
Instituto de Fisica Rosario 
Bv 27 de Febrero 210 Bis 
2000 Rosario - Argentina 
TE  (54 341) 4853222 ext 123 
FAX  (54 341) 4853222 ext 128 
E-MAIL  verdes[AT]ifir.edu.ar



The goal is to fill the missing numbers satisfying the following conditions: each row, column and 3x3 box must contain the digits 1 through 9 exactly once.
[print version]
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