not believe.
I miss from China for 10 years, but all used the 'schedule, and I had also learned how to make simple calculations
the binary system is very convenient, and is the basis of computing
thnak for the comment

Yes

you're right
In fact, I play simple pieces of light wood and black
Here the two armies are made of transparent glass one, and there another opaque glass, not distinguishable
thank for the comment

I figured something like that
Sometimes we lose a friend, but not the joke ...
I need to control myself from time to time ...

Good one

Thank you