In {HEAD ~ this manner}, the bottom panels {TAIL ~ 27 a} and 27 b interlock with each other to form a sturdy bottom to the first container 11 
In { HEAD ~ this manner } , the bottom panels { TAIL ~ 27 a } and 27 b interlock with each other to form a sturdy bottom to the first container 11
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH