Soroban Finger Exercises

I have been practicing 1,2, and 3 digit addition and adding 165 repeatedly as a finger exercise.

Can someone point me to some standard exercises for developing finger coordination?
165 is nice but getting a little dull.


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… another drill add 1-100.

There seems to be many links for 1-100, including this:

The accompanying text says:

A great practice for training your fingers to manipulate the abacus beads is to add the counting numbers from 1 to 100.