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    \$\begingroup\$ I rewrote it. This would have done better as a comment as well. \$\endgroup\$ Commented Sep 13, 2015 at 20:19
  • \$\begingroup\$ Nice. I modified my answer. Incidentally, I would have commented on your post but I created this account just to contribute this and didn't have enough reputation to comment. \$\endgroup\$ Commented Sep 13, 2015 at 21:40