In writing, the n transistors in the read circuits form with two p transistors NOT circuits {HEAD ~ whose outputs} form {TAIL ~ the data lines} 
form
In writing , the n transistors in the read circuits form with two p transistors NOT circuits { HEAD ~ whose outputs } form { TAIL ~ the data lines }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL