{HEAD ~ All possible arrangements} of {TAIL ~ material} can be used for the purpose, including both the front panel and back panel as well as the two longitudinal wall parts 14 and 15 
{ HEAD ~ All possible arrangements } of { TAIL ~ material } can be used for the purpose , including both the front panel and back panel as well as the two longitudinal wall parts 14 and 15
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL 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