I'm struggle with SVG animation drawing, which is work perfectly on all browsers (even IE has no problems with that), only firefox not drawing correctly

Script it self work on all modern browsers Script took from -http://tympanus.net/Development/SVGDrawingAnimation/

But when I generate SVG code from vector image it does not work on firefox Example

http://codepen.io/SzymonDziewonski/pen/agcxs/

It is 100% svg path issue, something with code. But what?