=SIERREUR(INDEX($D$2:$K$2;PETITE.VALEUR(SI($D$2:$K$2="";LIGNE(2:2)-2;"");COLONNE($A:$A)));"")
=SIERREUR(INDEX($D$2:$K$2;PETITE.VALEUR(SI($D$2:$K$2="";LIGNE(2:2);"");COLONNE()-3)-1);"")==SIERREUR(INDEX($D$2:$K$2;PETITE.VALEUR(SI($D$2:$K$2="";"";LIGNE(1:$8));COLONNE(A:A)));"")
=SIERREUR(PETITE.VALEUR(SI((NBVAL(DECALER($D$2;;;1;COLONNE($D$2:$K$2));$D$2:$K$2)=1)*($D$2:$K$2<>"");$D$2:$K$2;"");COLONNE());"")
=SIERREUR(INDEX($D$2:$K$2;2;PETITE.VALEUR(SI($D$2:$K$2="";"";COLONNE($D:$K));COLONNE(1:1)));"")