After the blank 21 is die cut from {HEAD ~ the sheet} of cardboard, the left and right sides of the blank 21 are rotated 180 degrees toward each other about fold lines 22 so that {TAIL ~ edge} 23 overlaps glue flap 24  
After the blank 21 is die cut from { HEAD ~ the sheet } of cardboard , the left and right sides of the blank 21 are rotated 180 degrees toward each other about fold lines 22 so that { TAIL ~ edge } 23 overlaps glue flap 24
OTH OTH OTH OTH OTH OTH OTH OTH 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 OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH