I believe the first pattern is (with (0,0) at top left)
And the last is (with (0,0) at top left)
The question has been updated to include a request to "explain your answer".
I don't have much explanation to offer for the first pattern. I just
I can say a little more about the fourth.
Here is my 10 letter word:
shearlings: skin from a recently sheared sheep or lamb that has been tanned and dressed with the wool left on
shearling: skin from a recently sheared sheep or lamb that has been tanned and dressed with the wool left on
shearing: to cut off the hair from
hearing: the process, function, or power of perceiving sound
I found a solution in only 8 intermediate steps:
It is possible that shorter paths still exists, because I couldn't obtain the complete MW dataset.
First obtained a word list
aspell -d en dump master | aspell -l en expand > words.en.txt
Keep only words that are 5 letters long
awk 'length($0)== 5' wordlist1.txt > wordlist2.txt
The solution is
The first step is to notice something about the 3x3 squares on the outside. Specifically,
Applying that logic gives us our first step:
From there, you can get the next little bit done with very basic Sudoku logic
This was about when I had to start writing down the possibilities in each square, but I never had to resort to any of the more ...