The optical information recording medium 1, wherein {HEAD ~ the maximum length} of the partial region of the outer peripheral portions in the radial direction is {TAIL ~ 0.4 to 2 mm} 
is
The optical information recording medium 1 , wherein { HEAD ~ the maximum length } of the partial region of the outer peripheral portions in the radial direction is { TAIL ~ 0.4 to 2 mm }
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 OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL