Can You Beat My 15.2 Seconds? Try This Concentration Challenge Used by US Airforce Pilots

davetushar
Dear all,

Please try this; it's really good. My highest score was 15.2 seconds. Please see the attachment.

Thank you.
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visitor
It's not running on my PC. It's not opening on my PC.

Please resend this to the group.

Regards,
Hari
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