With the first and second level mats so assembled, the lower fingers F2 of {HEAD ~ the second level} face mat extend behind the transverse wire 39 and over and to {TAIL ~ the front} of the transverse wire 38 of the first level face mat  
With the first and second level mats so assembled , the lower fingers F2 of { HEAD ~ the second level } face mat extend behind the transverse wire 39 and over and to { TAIL ~ the front } of the transverse wire 38 of the first level face mat
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH