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P PP^QO PW`QO lIEWIR @ lIEWIR ur eb NbL
eb A lIEWIR ur NbL eb
NbL B eb ur NbL lIEWIR
         
Q PQ^S PW`QO ㏸Rc @ ㏸Rc ur lIEWIR     eb
lIEWIR A ㏸Rc ur eb lIEWIR
eb B lIEWIR ur eb ㏸Rc
        
R P^QQ PW`QO NbL @ NbL ur ㏸Rc      eb
㏸Rc A NbL ur eb ㏸Rc
eb B ㏸Rc ur eb NbL
         
S Q^T PW`QO lIEWIR @ lIEWIR ur NbL     ㏸Rc
NbL A lIEWIR ur ㏸Rc NbL
㏸Rc B NbL ur ㏸Rc lIEWIR
  
T Q^QU PW`QP lIEWIR @ ㏸Rc ur NbL       lIEWIR
㏸Rc A lIEWIR ur eb NbL
eb B lIEWIR ur ㏸Rc eb
NbL  C eb ur NbL  ㏸Rc
  
U R^QU PW`QO lIEWIR @ eb ur ㏸Rc       {
㏸Rc A lIEWIR ur NbL {
eb B
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