# Answers - Hello Professor Chahe For the first question 1...

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Hello Professor Chahe, For the first question: 1) Your formula Nf=4^(l-1) gives 16 when l=3 and I can see, on the figure 6, 12 dark dots only, Here is a detailed figure of that describes how the fingerprints are extracted for one position in the tunnel: As l=3 , It’s true that there are 12 nodes, but these nodes are the centers that are involved in calculating the possible fingerprints. The question is, before reaching position 0, what path did the miner take? Which means what are the possible CIRs registered in memory up to level 3? This leads to a combination of possible fingerprints which are listed in the following table: Fingerprint Possible Path (Fingerprint 3CIRs) Final Position (output of NN) 1 9 1 0 Distance to position 0 2 10 3 0 Distance to position 0 3 11 5 0 Distance to position 0 4 12- 7 0 Distance to position 0 5 8 7 0 Distance to position 0 6 8 1 0 Distance to position 0 7 2 3 0 Distance to position 0 8 2 1 0

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Answers - Hello Professor Chahe For the first question 1...

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