The 1st edition took place in /co/ (2022):

https://desuarchive.org/co/thread/130305995/
https://desuarchive.org/co/thread/130652706/
https://desuarchive.org/co/thread/130931869/
https://desuarchive.org/co/thread/131161366/
https://desuarchive.org/co/thread/131587317/

The 2nd edition took place in /ic/ (2023):

Stage 0
https://warosu.org/ic/thread/6580481
https://warosu.org/ic/thread/6588367

Stage 1
https://warosu.org/ic/thread/6596705
https://warosu.org/ic/thread/6612747
https://warosu.org/ic/thread/6620086

Stage 2
https://warosu.org/ic/thread/6626740
https://warosu.org/ic/thread/6639672
https://warosu.org/ic/thread/6649832
https://warosu.org/ic/thread/6655902

Stage 3
https://warosu.org/ic/thread/6661170
https://warosu.org/ic/thread/6666891
https://warosu.org/ic/thread/6675689
https://warosu.org/ic/thread/6686036
https://warosu.org/ic/thread/6704539
https://warosu.org/ic/thread/6713337

Aftermath
https://warosu.org/ic/thread/6724553

The 3rd edition took place in /ic/ (2024)

Stage 0
https://warosu.org/ic/thread/7223976
https://warosu.org/ic/thread/7231696

Stage 1
https://warosu.org/ic/thread/7256171

Stage 2
https://warosu.org/ic/thread/7270095
https://warosu.org/ic/thread/7282062

Stage 3
https://warosu.org/ic/thread/7308238
https://warosu.org/ic/thread/7331029

PreCR4B thread
https://boards.4chan.org/i/thread/803409