Das kleinstmögliche pandiagonale Sudoku
In ihrem interessanten Artikel "Constructing pandiagonal magic squares of arbitrarily large size" (Mathematics Today, February 2006), schreibt Kathleen Ollerenshaw auf Seite 25:
"Es ist wahrscheinlich dass es Latin pandiagonal magisches Sudoku gibt, aber ich habe keinen Versuch gemacht das zu überprüfen".
Ihre Annahme ist richtig, kein 9x9 Sudoku kann pandiagonal sein. In der April 2006 Ausgabe, wurde mein Brief zu diesem Thema veröffentlicht, direkt nach dem zweiten Teil von Ollerenshaw's Artikel.
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