P1:=21;P2:=60;MC:MA(C,P1);MO:MA(O,P2);UPC1:=2*H-MC;UPC2:=2*H-MO;DNC1:=2*MC-L;DNC2:=2*MO-L;UD1:UPC1*2-DNC1;UD2:DNC2*2-UPC2;