Function ChangeQuandChange(Rng As Range) As Boolean
Dim T(), L&
If Rng.Rows.Count < 2 Then Exit Function
T = Rng.Value
ChangeQuandChange = False
For L = UBound(T, 1) To 2 Step -1
ChangeQuandChange = ChangeQuandChange Xor T(L, 1) <> T(L - 1, 1)
Next L
End Function