Originally posted by iamatiger
aha, got it!

🙂

There was indeed only one relevant observation, and it wasn't either of mine.

Originally posted by FabianFnas
Would you like to send me a mail with your probably correct answer?

This may be a hint:

"A telescope once sent signals to outer space."

Originally posted by FabianFnas
This may be a hint:

"A telescope once sent signals to outer space."

Originally posted by FabianFnas
"... with the same coding technique."

Ah, I got it. Very Clever.

XXXOXXOXXOXOXOOOXXXOXOXXOOOXOXOXOXOXOOOXOOOXOXXXXOXOOOXOXOXOOOXXXOOXOOOXOXOOOXOXOXOOOXOOOOXOXXXOXOOOXOXOXXXOXXXOOXO

I'm even more impressed that I made the "important observation" :-)

Originally posted by forkedknight
Ah, I got it. Very Clever.

XXXOXXOXXOXOXOOOXXXOXOXXOOOXOXOXOXOXOOOXOOOXOXXXXOXOOOXOXOXOOOXXXOOXOOOXOXOOOXOXOXOOOXOOOOXOXXXOXOOOXOXOXXXOXXXOOXO

I'm even more impressed that I made the "important observation" :-)

Ingenious! It contains the seeds of its own solution.

But the solution does not commute. Can one be made that does?

Even then, there would be several ways of looking at it. That raises a number of issues, depending on who the audience might be.