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Answers and rating deltas for

How do I create spaces between every four integers in Ruby?

Author Votes Δ
Mark Byers 13 +0.15
Jörg W Mittag 13 +0.64
Garrett 2 +0.78
glenn jackman 1 -0.53
Tom Gullen 0 -2.94
Last visited: Sep 14, 2014, 5:07:29 AM