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Authors

Donald E. Knuth

Abstract

Recently, I used a computer to look for 5x5x5 word cubes: symmetric patterns that spell five-letter words in rows, columns, and whatchamacallits (is there a name for vertical 1x1x5s?). As far as I know, the only previous example was constructed by Peter Graham and published in Omni in July 1987. But his solution uses REDAN and SARUM.

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