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