52!

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52! For this reason, yesterday I had "Johnny I hardly knew ya" stuck in my head - except the last couplet, of course ;-)  - although I'm almost new:

https://lh3.googleusercontent.com/-MPR5QbgYfdE/WGU3gC3bssI/AAAAAAAABjc/DylqQ8XuXDMplpImCAl-H7KM4HwIRzoJwCKgB/s0/video-2016-12-07-13-24-46.mp4

https://www.facebook.com/vladimir.pjaskovskiy/posts/10206089586837163