Sub MyCopy()
Dim lrT As Long
Dim rng As Range
Dim r1 As Long
Dim r2 As Long
Application.ScreenUpdating = False
' Find last row in column T with data
lrT = Cells(Rows.Count, "T").End(xlUp).Row
' Set range to copy from
Set rng = Range("U2:U12")
' Set initial values of r1 and r2
r1 = 2
r2 = 12
' Loop until copied down enough times
Do
' Exit if copied down to last row of column T
If lrT <= r2 Then
Exit Sub
End If
' Increment row numbers by 11
r1 = r1 + 11
r2 = r2 + 11
' Copy down
rng.Copy Cells(r1, "U")
Loop
Application.ScreenUpdating = True
End Sub