{TAIL ~ The ratio} of the MI2 of fraction to the MI5 of {HEAD ~ fraction} may exceed 25000, or even 30000 
{ TAIL ~ The ratio } of the MI2 of fraction to the MI5 of { HEAD ~ fraction } may exceed 25000 , or even 30000
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH