The method 13, wherein said Unet sequence of operations comprises a sequence of {HEAD ~ elementary operations} on {TAIL ~ qubits} 
on
The method 13 , wherein said Unet sequence of operations comprises a sequence of { HEAD ~ elementary operations } on { TAIL ~ qubits }
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