Numbers are queuing to enter the grove.
Hoot needs a gatekeeper who can check them without dividing —
just by looking at the digits.
Send each number through a gate it fits.
If it fits no gate, send it to the bramble!
Out of acorns — but the grove still needs you.
Let's try this level again.
You checked seven-digit numbers without dividing once.
That's the secret power of divisibility rules.