passing extrudable material from the inlet portion to {TAIL ~ the outlet portion} of each secondary feed hole and subsequently to {HEAD ~ the associated straight cell slot intersection} and thereafter downwardly from each associated slot intersection, and the inlet portion to the outlet portion of each primary feed hole and thereafter downwardly to the associated non intersecting primary slots, to form a secondary and primary extrudate, respectively 
passing extrudable material from the inlet portion to { TAIL ~ the outlet portion } of each secondary feed hole and subsequently to { HEAD ~ the associated straight cell slot intersection } and thereafter downwardly from each associated slot intersection , and the inlet portion to the outlet portion of each primary feed hole and thereafter downwardly to the associated non intersecting primary slots , to form a secondary and primary extrudate , respectively
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH