Was not really trying here--just wanted something better than 11th place. :P
392
1/28
02-25-06
Considering that I hate this level, missing only 129 (or was it 119) is pretty good.
2/30
05-20-06
408
1/32
06-07-06
Missed 93, most of which were near the beginning.
2/33
06-10-06
475
1/37
09-10-06
Out of 511. 20 rings are probably located where the chao normally is in m3; however, the other 16 are nowhere to be found. There also doesn't seem to be a way to reach the chao area in m5, either, as there is no Ancient Shrine there.