Merge cell

How can i merge cell in a grid like this?

|Cell 1|Cell 2|Cell 3|Cell 4|
-------------------------
|Cell 1|Cell 2|Cell 3|Cell 4|
------------------
|Cell 1|Cell 2|Cell 3|Cell 4|
------------------
|Cell 1|Cell 2|Cell 3|Cell 4|
-------------------------
|Cell 1|Cell 2|Cell 3|Cell 4|

where the first cell of the rows 2, 3, 4 are merged?

Thanks.

Thats probably not possible with AW grid.