=SIERREUR(PETITE.VALEUR(SI($B$9:$R$9=$A11;COLONNE($B$9:$R$9));COLONNE())-PETITE.VALEUR(SI($B$9:$R$9=$A11;COLONNE($B$9:$R$9));COLONNE()-1)-1;"")
=SIERREUR(PETITE.VALEUR(SI($D$9:$T$9=$A11;COLONNE($D$9:$T$9));COLONNE()-2)-PETITE.VALEUR(SI($D$9:$T$9=$A11;COLONNE($D$9:$T$9));COLONNE()-3)-1;"")