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