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All the Perl that's Practical to Extract and Report

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  • by elliot (8136) on 2008.06.08 15:26 (#63232) Homepage Journal
    Find a, b, c, d, e, f, g, h, and i where

    (a * 10**2 + b * 10**1 + c * 10**0) % 7 == 0
    (c * 10**2 + b * 10**1 + a * 10**0) % 7 == 0
    (d * 10**2 + e * 10**1 + f * 10**0) % 9 == 0
    (f * 10**2 + e * 10**1 + d * 10**0) % 9 == 0
    (g * 10**2 + h * 10**1 + i * 10**0) % 11 == 0
    (i * 10**2 + h * 10**1 + g * 10**0) % 11 == 0

    and where there exists an invertible function between the variables a..i to the numbers 1..9.