A2:=C O AND C REF(C,1);
A3:=O REF(C,1) AND C REF(O,1) AND L REF(L,1) AND V REF(V,1);
A4:=ma(c,13) =ref(ma(c,13),1);
A2 AND A3 AND REF(A1,1) and a4;

A2:=C O AND C REF(C,1);
A3:=O REF(C,1) AND C REF(O,1) AND L REF(L,1) AND V REF(V,1);
A4:=ma(c,13) =ref(ma(c,13),1);
A2 AND A3 AND REF(A1,1) and a4;

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