Freenas 9.10, will not let me make a 16 drive Raidz2

Operating Systems & Open Source
1

So, I am new to freenas, I have had this vdev running before, but I rebuilt on Corral and we all know what happened there. I was having issues with the import of the corral volume on 9.10. So I backed everything up and started over. But I can only make the Volume though Shell, the GUI Volume manger will not let me make a 16 drive Raidz2, or even a raidz3, only way I can use all 16 drives in the manger is via two Vdevs, But I want only one Vdev. and if I make it in Shell, I cannot modify it in the GUI. so not able to mnt it or mess with permissions.
Images of Shell and GUI

Full list of drives

So How do I get a Volume with 16 drives in Raidz2? I want the ability to lose ANY two drives, not just one drive out of eight.

2

You probably have to use the Manual Setup button in the lower right of the Volume Manager window, rather than using the drag 'n drop tool.

3

That worked, thank you sir. I don't know why anyone on the Reddit could not tell me this.
Now to accept the fact that my 32tb physical became 23Tib usable that is really 18Tib.