Iterations overlapping and color pattern missing

[stacy1013]

This is how it should appear:
![image](https://user-images.githubusercontent.com/36889834/42714444-cdf8601e-86b8-11e8-84f4-a7274d11e67d.png

this is how it is appearing (iteration 6 is overlapping label with Iteration 3 and no color variance: