Reference numerals 226, 227, 228, and 229 each represent {HEAD ~ a multiplier} for multiplying {TAIL ~ constants K1}, K2, K3 and K4 
for multiplying
Reference numerals 226 , 227 , 228 , and 229 each represent { HEAD ~ a multiplier } for multiplying { TAIL ~ constants K1 } , K2 , K3 and K4
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH