>>1042110It looks like a custom made D12, the things inside of it where probable only there to give it additional weight or to make one result more likely than the others.
You may want to try posting it to the /tg/ they might know what system it's for.
Asides from that, what are the scales involved here?
How may "C"s?
How many "X"s?
Did it feel balanced before you took it apart?
Does it go back together easily?