This was submitted just to complete my chart. Skipped 25 rings on the main spiral rail after c1.
475
1/44
08-15-07
I'll get 495 some other time...
495
1/52
08-16-08
495/511, this appears to be the best you can do without increasing the out of total...but I'm not backtracking up that rail with the artificial chaos on it.
/mission_1.png "Mission 1")
| /mission_4.png "Mission 4")
| /mission_5.png "Mission 5")