all corn, quick critique/advise on cuts please

[SchmuBrew]

STILL: 15g keg with (1) 240v 5500w & (2) 120v 1500w elements
WASH: failed all corn - attempted dry enzymes - zero conversion. Added 7lbs sugar to each bucket (left corn in).

Final spirit run was approximately 36L @ 30-32% (multiple stripping runs diluted using left over wash)

The tails cut was easy - I could smell it as it came off the still. Nothing (or next to it) in one jar, then the next jar... SKANK.

So although the tails were obvious, I am having difficultly with the heads, the question is - am I at least in the right ball park of where to look? Not looking for anyone to make a cut suggestion - just would like to know if I am in the range, or way off base.

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SPIRIT RUN collection (numbers are approx - these are jar sizes, each was filled equally but not to the full volume) :

2000ml 86% ran at 1.0L per hour

250ml 85% ran at 1.5L per hour
250ml 85%
250ml 85%
250ml 85%

HEARTS

250ml 85%
250ml 85%
250ml 84%
250ml 84%

500ml 84% ran at 2.0L per hour
500ml 83%
500ml 82%
500ml 80%

1000ml 79% ran at 2.4L per hour
1000ml 78%

500ml 76%
500ml 75%
500ml 73%
500ml 73%

500ml 70% ran at 2.0L per hour
500ml 69%
500ml 67%
500ml 65%

TAILS

500ml 64% SKANK
500ml 60%
500ml 57%
500ml 55%