Split and discard

OK so to split a stack i've set the following macro on a button on the mouse (place the cursor over the stack you want to split):
Rightclick
2
2
2
0
1
1
1
1 (the number of 1s you need to press might vary based on how many windows you have open)
2
0


to discard stuff:

navigate to the first item on the row you want to discard and then hit:
0
0
2
2
0
4
0
6

repeat 5 times to discard a row with appropriate delays.