When RMTJ1>RMTJ2, the bit cell has a “0” state, and when RMTJ1<RMTJ2, {HEAD ~ the bit cell} has {TAIL ~ a “1” state} 
When RMTJ1 > RMTJ2 , the bit cell has a “ 0 ” state , and when RMTJ1 < RMTJ2 , { HEAD ~ the bit cell } has { TAIL ~ a “ 1 ” state }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL