Option Explicit
Sub 猜一个()
Dim a, i, j, m
a = [a1].CurrentRegion.Resize(, 1).Value
For i = 1 To UBound(a) Step 6 + 5
For j = i To i + 6 - 1
m = m + 1
a(m, 1) = a(j, 1)
If j = UBound(a) Then Exit For
Next
Next
With [c:c]
.ClearContents
.Resize(m) = a
End With
End Sub