Null move
You win!
Awesome! You have a new high score!
Share it with your friends! #xnor
Excellent! You have a new high score!
Share it with your friends! #xnor
Brilliant! You have a new high score!
Share it with your friends! #xnor
If you don't get the rules right away, just click on a few 0s and 1s and the update pattern will become clear.
Try to solve the puzzle in as few moves and as quickly as possible.
You may also like its sibling puzzles: NAND, NOT, XOR.