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  • \$\begingroup\$ Nice! I was trying this, but I couldn't figure out how to get the , to stop breaking things. \$\endgroup\$ Commented Apr 9, 2016 at 6:09
  • \$\begingroup\$ My trick was to do ,$ to produce a 1, which gave me an excuse to put the really confusing , operator in my program. \$\endgroup\$ Commented Apr 9, 2016 at 6:13
  • \$\begingroup\$ I was stuck at the } for tooooo long :( \$\endgroup\$ Commented Apr 9, 2016 at 6:14