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Jul 15th, 2018
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Ruby 0.32 KB | None | 0 0
  1. [1, 2, 3, 4, 5, 6, 7, 8, 9].permutation do |num|
  2.   if num[0..1].to_i % 2 == 0 && num[0..2].to_i % 3 == 0 && num[0..3].to_i % 4 == 0 &&
  3.      num[0..4].to_i % 5 == 0 &&
  4.      num[0..5].to_i % 6 == 0 &&
  5.      num[0..6].to_i % 7 == 0 &&
  6.      num[0..7].to_i % 8 == 0 &&
  7.      num[0..8].to_i % 9 == 0
  8.     puts num.to_i
  9.   end
  10. end
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