how to create lofting with series

I created the above script in grasshopper, and want to make the sequence as shown in image a href="https://storage.ning.com/topology/rest/1.0/file/get/2654884020?profile=original" target="_self">2.png > to look like this image a href="https://storage.ning.com/topology/rest/1.0/file/get/2654884188?profile=original" target="_self">3.png > when i loft the final outcome it doesn't do it in the right process. The final outcome is a href="https://storage.ning.com/topology/rest/1.0/file/get/2654884274?profile=original" target="_self">4.png > what am i missing?