Question: display multiple animations followed by another single animation in sequence

How can I display 2 followed by 1 single animation?

ie

a:=animate(...)
b:=animate(...)
c:=animate(...)

I can animate all 3 in sequence with display((a,b,c),insequence=true)  or I can animate them all at once.  But how can I animate two at once followed by the 3rd animation?

I tried

h:=display(a,b)
g:=display(c)

gg:=dispaly((h,g),insequence=true)    Which I thought might have worked however that produces multiple frames.

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