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;
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;