##
perl -e '$n = (3*(10**2)) + (0*(10**1)) + (9*(10**0)); print "$n\n";'
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perl -e '$B = 10; $n = (3*($B**2)) + (0*($B**1)) + (9*($B**0)); print "$n\n";'
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perl -e '$B = 2**16; $n = ($R*($B**2)) + ($G*($B**1)) + ($B*($B**0)); print "$n\n";'
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$hash{$key}++; ## $key is 48 bit RGB as a single integer
## The value $hash{$key} is sum of the times found