Sub selection_lignes2()
Dim i%, Deb, Fin
Application.ScreenUpdating = False
Rows("1:203").EntireRow.Hidden = False
Deb = [N6]: Fin = [P6]
For i = 10 To Cells(203, "B").End(xlUp).Row
If Cells(i, "B") > Fin Or Cells(i, "B") < Deb Then Rows(i).Hidden = True
Next i
End Sub