Grasshopper

algorithmic modeling for Rhino

well, i used a SubSrf command on a surface and then try to extract corner points of each surface by divide surface and u,v=1,but only 2 points in each surface extracted! 

i expect 4 points on a corners with this settings,which is worked on a single surface! whats the problem?

to be more clear of what has done ,i attached my definition 

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There has been a change in how the surface divide component works with data trees. It always organizes its results into U branches of V points. To get the data with one list of points per input surface, put a "shift paths" component after the surface divide with the default offset value of -1.

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