cut a recorded buffer in multiples parts?

max's icon

hi everybody
i would create a patch to record a buffer and just after cut this in multiple equal parts to play each part randomly....
i would use few play~ object with differents points of playing but apparently don't working
somebody can help me ?
this is the beginning of my patch:

Max Patch
Copy patch and select New From Clipboard in Max.

thanks by advance

Max

Jean-Francois Charles's icon