Share 'Lakeside vs. Back 18'

Which one is harder? I played both courses today for the first time ever. I felt like the Lakeside course presented a lot more challanges than the Back 18, but my scores on were higher on the back 18. I was thinking it could have something to do with the fact that La Mirada was the 5th course we played in a 3 day span. How do your scores usually compare between the two courses?