Rules
Work in progress :)
Ideas
I got inspired to build this game from these sources:
- SOS game https://en.wikipedia.org/wiki/SOS_(game)
 - Number_Scrabble https://en.wikipedia.org/wiki/Number_Scrabble
 - Ultimate_tic-tac-toe https://en.wikipedia.org/wiki/Ultimate_tic-tac-toe
 - Quantum_tic-tac-toe https://en.wikipedia.org/wiki/Quantum_tic-tac-toe