Dear all,

I have a big set of numbers that goes from H5 to H29804.

I want a code that can do a cumulative sum of 11 cells each time. That would be: 

 =Sum(H5:H16)
=Sum(H17:H28)
=Sum(H29:H40)
=Sum(H41:H52)
and so on...
Can anyone help me out here?

Thank you