anyway I don't understand the requirement "sums up to 430" either.

See the last update at the top of my node: the cost keys did originally sum up to 430.

Update:

FWIW: This old node shows a recursive walker to dive into a randomly nested structure.

I've also got some "diver" type code if you search for "dive" on my scratchpad.

In reply to Re^4: Iterating over hash to find specific key to sum up the cost (updated) by haukex
in thread Iterating over hash to find specific key to sum up the cost by vaitor15

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