Hi, HARRY!
Give a look at this file:
https://dl.dropbox.com/u/60558749/Conditional%20copy%20%28for%20HARRY%20at%20chandoo.org%29.xlsx
In first sheet it has a helper column F:
=E1&"_"&CONTAR.SI(E$1:E1;E1) -----> in english: =E1&"_"&COUNTIF(E$1:E1,E1)
In second sheet columns A:D hold the results:
=SI.ERROR(INDICE(Hoja1!$A$1:$D$25;COINCIDIR("S"&"_"&FILA();Hoja1!$F$1:$F$25;0);COLUMNA());"") -----> in english: =IFERROR(INDEX(Hoja1!$A$1:$D$25,MATCH("S"&"_"&ROW(),Hoja1!$F$1:$F$25,0),COLUMN()),"")
Regards!