I just finshed my 7 concentric mazes of the level 70's. Interesting that I scored almost identical to what I did when I tackled the level 60's. Here are the scores:
You can scroll down to the "60's" post to compare if you want.
Time to put away the bell-bottoms and turn up the punk rock and the big hair metal bands. I'm heading for the eigthies!
Off to the 44 problems of the 80's times lucky seven!