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eam/gist:5870587

Created June 26, 2013 19:16
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>> sort_order = %w{ B E F A C K I M Q D L Z P O }.each_with_index.map { |x,i| [x,i] }.inject({}) { |hash,element| hash[ element[0] ] = element[1]; hash}
=> {"O"=>13, "P"=>12, "Z"=>11, "L"=>10, "D"=>9, "Q"=>8, "M"=>7, "I"=>6, "K"=>5, "C"=>4, "A"=>3, "F"=>2, "E"=>1, "B"=>0}
>> %w{ Z A B C D E }.sort { |a,b| sort_order[a] <=> sort_order[b] } => ["B", "E", "A", "C", "D", "Z"]
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