XL 2019 Concaténation aléatoire de cellules texte

=INDEX(A2:C2;RANG(D2;D2:F2))&INDEX(A2:C2;RANG(E2;D2:F2))&INDEX(A2:C2;RANG(F2;D2:F2))

Function ConcatAlea$(plage As Range)
Application.Volatile
Dim a(), b(), i&
ReDim a(plage.Count - 1) 'base 0
ReDim b(UBound(a))
Randomize
For i = 0 To UBound(a)
    a(i) = Rnd
    b(i) = plage(i + 1)
Next
tri a, b, 0, UBound(a)
For i = 0 To UBound(a)
    ConcatAlea = ConcatAlea & b(i)
Next
End Function

Sub tri(a, b, gauc, droi) ' Quick sort
Dim ref, g, d, temp
ref = a((gauc + droi) \ 2)
g = gauc: d = droi
Do
    Do While a(g) < ref: g = g + 1: Loop
    Do While ref < a(d): d = d - 1: Loop
    If g <= d Then
      temp = a(g): a(g) = a(d): a(d) = temp
      temp = b(g): b(g) = b(d): b(d) = temp
      g = g + 1: d = d - 1
    End If
Loop While g <= d
If g < droi Then Call tri(a, b, g, droi)
If gauc < d Then Call tri(a, b, gauc, d)
End Sub