Each of the first slotted partitions has {HEAD ~ opposed slots} extending inwardly from opposed edges of the partition to facilitate folding {TAIL ~ the partition} 
Each of the first slotted partitions has { HEAD ~ opposed slots } extending inwardly from opposed edges of the partition to facilitate folding { TAIL ~ the partition }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL