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Still some questions and guesses; but, based on that link given, try
awk '
NR == FNR {if (NR == 1) for (MX=n=NF; n>0; n--) REF[$n] = n
else TMP[NR] = $0
...

Not sure I understand your intentions nor requirements.

As a starting point. this post (https://www.unix.com/302993440-post3.html) might help to compare fields that have a common header but...