No bifurcation or chaining is necessary.
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Solution code: Row 2 (left to right) and column 2 (top to bottom); 18 digits, no spaces.
on 31. May 2023, 00:12 by anyeyeball
This is a most excellent puzzle and underrated at the moment. Thank you Awedish!
on 29. May 2023, 20:00 by Awedish
added clarification that no guesswork is required to solve this puzzle.
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