=concatenate(concatenate(A39,if(if(eq(iferror(vlookup(address(row(A2),column(A2),4),$AI$2:$AI$19,1,false),"#N/A"),"#N/A"),false,true),"P","")),if(if(eq(iferror(vlookup(address(row(A2),column(A2),4),$AI$20:$AI$100,1,false),"#N/A"),"#N/A"),false,true),"G",""))
=concatenate(concatenate(A39,if(if(eq(iferror(vlookup(address(row(A2),column(A2),4),$AI$2:$AI$19,1,false),"#N/A"),"#N/A"),false,true),"P","")),if(if(eq(iferror(vlookup(address(row(A2),column(A2),4),$AI$20:$AI$100,1,false),"#N/A"),"#N/A"),false,true),"G",""))