=SE.ERRORE(SE.ERRORE(SE.ERRORE(INDICE($A$2:$A$200;CONFRONTA(0;CONTA.SE($F$1:F1;$A$2:$A$200)+($A$2:$A$200="");0));INDICE($B$2:$B$200;CONFRONTA(0;CONTA.SE($F$1:F1;$B$2:$B$200)+($B$2:$B$200="");0)));INDICE($C$2:$C$200;CONFRONTA(0;CONTA.SE($F$1:F1;$C$2:$C$200)+($C$2:$C$200="");0)));"")
=SE.ERRORE(SE.ERRORE(SE.ERRORE(INDICE(Foglio1!$B$6:$B$200;CONFRONTA(0;CONTA.SE($G$1:G1;Foglio1!$B$6:$B$200)+(Foglio1!$B$6:$B$200="");0));INDICE(Foglio2!$B$6:$B$200;CONFRONTA(0;CONTA.SE($G$1:G1;Foglio2!$B$6:$B$200)+(Foglio2!$B$6:$B$200="");0)));INDICE(Foglio3!$B$6:$B$200;CONFRONTA(0;CONTA.SE($G$1:G1;Foglio3!$B$6:$B$200)+(Foglio3!$B$6:$B$200="");0)));"")