User blog comment:Wythagoras/Dollar Function: new version/@comment-58.164.7.248-20160912011555

When trying to solve 0 I get step 5.1.3 which takes us to step 5 which in turn goes back to 5.1.3 and then back to step 5. This is going on forever. Can you fix it so that it doesn't go into that infinite loop.