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\begin{displaymath}\xymatrix{&&&&\prod_{RESP, BUDGET}\\&&&&\cup\ar[u]\\&\sigma_{PNO}\ar[urrr]&\sigma_{PNO}\ar[urr]&\sigma_{PNO}\ar[ur]&\sigma_{PNO}\ar[u]&\sigma_{PNO}\ar[ul]&\sigma_{PNO}\ar[ull]&\\PROJ1\ar[ur]&ASG1\ar[u]&PROJ1\ar[ur]&ASG1\ar[u]&PROJ1\ar[ur]&ASG1\ar[u]&PROJ1\ar[ur]&ASG1\ar[u]\\}\end{displaymath}