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msg7086/seq.rb

Created November 11, 2015 23:22
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seq.rb
def seq(digit = 6, source = '12356789')
0.upto(source.size ** digit - 1).map { |i| i.to_s(source.size).each_char.map{ |j| source[j.to_i] }.join.rjust(digit, source[0]) }
end
seq(2)
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