In the present invention, by the term “{HEAD ~ the upper, lower, left or right part} of {TAIL ~ one surface}” is meant either of these parts of one surface of paper sheet with a document printed thereon when the document is viewed in the right or correct direction 
of
In the present invention , by the term “ { HEAD ~ the upper , lower , left or right part } of { TAIL ~ one surface } ” is meant either of these parts of one surface of paper sheet with a document printed thereon when the document is viewed in the right or correct direction
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL 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 OTH OTH OTH OTH