The method 1 wherein providing a reactor further comprises providing {HEAD ~ a reactor} having {TAIL ~ catalytic material} in or on the inner surfaces of the first plurality of cells 
The method 1 wherein providing a reactor further comprises providing { HEAD ~ a reactor } having { TAIL ~ catalytic material } in or on the inner surfaces of the first plurality of cells
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH