Pie Chart Support needed

[richi]

I need to create a pie chart which has 10 elements , say A-L.

Amongst them A, B, C, D have 4-5 sub elements each.
I would like to show A-L as a pic chart and then show the sub elements in A, B, C and D as well in a pie chart format.

I want to show this as one chart..
IS it possible to do this ??

Thanks in advance !

 

[ParamRay]

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A doughnut chart might be better option. It is like a pie chart, but it can contain multiple series...