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d02:=LOW;
d12:=Ref(LOW,-1);
izdip2:=Ref(LOW,-2);
d32:=Ref(LOW,-3);
d42:=Ref(LOW,-4);
h32:=Ref(HIGH,-3);
h22:=Ref(HIGH,-3);
t02:=HIGH; 
t12:=Ref(HIGH,-1);         
iztepe2:=Ref(HIGH,-2);
t32:=Ref(HIGH,-3);
t42:=Ref(HIGH,-4);
L32:=Ref(LOW,-3);
L22:=Ref(LOW,-2);
izotepe1:=If((iztepe2>t02 AND iztepe2>=t12 AND iztepe2>t32 AND iztepe2>t42 AND Ref(LOW,-1)>Min(L32 ,L22 ) AND LOW<Min(L32,L22)),-1,0);
izotepe2:=If(t12>t02 AND t12>iztepe2 AND t12>t32 AND LOW<Min(L22,Ref(LOW,-1)),-2,0);
izodip1:=If((izdip2<d02 AND izdip2<d12 AND izdip2<d32 AND izdip2<d42 AND Ref(HIGH,-1)< Max(h32,h22) AND HIGH>Max(h32,h22)),1,0); 
If(izodip1=1,Ref(L,-2),0);