4 ms·
I think it's much simpler. It could be a misapplication of the "don't repeat words" rule. No one can have ↑↑. Either ↓↑ or ↑↓.
by kubanczyk 2y ago
I think it's much simpler. It could be a misapplication of the "don't repeat words" rule.
No one can have ↑↑. Either ↓↑ or ↑↓.