myr-gr
algorithm 'myr-gr'  dont work .
In megaminer tutulino 'myr-gr' works
![qip shot - screen 2017 08 15 12-54-13](https://user-images.githubusercontent.com/30734827/29311051-e8557f74-81b8-11e7-99d3-6391d20bd4c8.jpg)
![qip shot - screen 2017 08 15 12-51-51](https://user-images.githubusercontent.com/30734827/29311052-e8565516-81b8-11e7-9229-c89d29430e53.jpg)
