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Fill the number four in the cup first.

This comment has received a 0.26 % upvote from @booster thanks to: @salma-akanda.

An extraordinary test.

This comment has received a 0.26 % upvote from @booster thanks to: @salma-akanda.

awesome post.

This comment has received a 0.26 % upvote from @booster thanks to: @salma-akanda.

awesome post. thanks for sharing.

excellent post. thanks for sharing.

9 fills first because it is closed at 4, if you carefully notice it.

Number 5, since 4, 7 and 9 are closed off.