At {TAIL ~ the aft portion} of the index divider are two lateral tabs which project outward and are retained in a vertical groove along the right and left sides of {HEAD ~ the box} 
At { TAIL ~ the aft portion } of the index divider are two lateral tabs which project outward and are retained in a vertical groove along the right and left sides of { HEAD ~ the box }
OTH TAIL TAIL 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 HEAD HEAD HEAD HEAD HEAD HEAD