puzzler

But he added: “I’m not so sure about the platform, and the dollar amount is a puzzler. This vaccine’s in very early development.”

As well as the solo competition, the event included a pairs race, which was won by champion puzzler Sarah Mills and partner Claire Heyes, from Norwich, in 30 minutes and 30 seconds.

It didn't cost them this time, but it remains a puzzler as to why this keeps happening.

One of the tougher problems asks puzzlers to calculate how far off from writing the numbers one to 20 the quiz setters were.

Hamaguchi welcomes all interpretations of his elegant puzzler, adding that he found the process of writing and shooting “Evil Does Not Exist” restorative.