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