[Shards] Any hints to start solving the challenge?

[EthanOK]

I need a little hint.

[Jayanring]

Function cancel does not behave as expected.

[tinchoabbate]

Hi @EthanOK , have you made any progress? Have you thought about what @Jayanring said? Do you want to share here the ideas that you've had? Perhaps that can help others too.