Printing Help

I am trying to print an Arnold Schwarzenegger statue for a friend. I am using Elegoo PLA plus and printed at 218 with the bed at 65. Layer height was .16. I have these lines on the back that look pretty bad. Any ideas how I can improve this?

I am trying to print an Arnold Schwarzenegger statue for a friend. I am using Elegoo PLA plus and printed at 218 with the bed at 65. Layer height was .16. I have these lines on the back that look pretty bad. Any ideas how I can improve this?