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using the same logic with @SeanAdams but i use Replacechar() and length() for to tackle the sorting.
it reduce the need to sort the alphabet.
Spoiler
cross tab the known digit 1,4,7,8 and append to unknow digit.
apply the logic in.
brute force all 10 signal to the each output digit, use filter to sort the correct digit.
cross tab the known digit 1,4,7,8 and append to unknow digit.
apply the logic in.
brute force all 10 signal to the each output digit, use filter to sort the correct digit.
I thought I was so smart but Part 2 really became one of those crossword book logic puzzles.
If Mary lives on Smith Street with a Chihuahua then Mark must live on Brunswick Street and drive a green car 😩
Spoiler
This is certainly not an elegant solution, but it got me there.
Close up of how i figured out the numbers
