class C0 { public: int i0; }; class C1 : public C0 { public: int i1; }; class C2 : public C1 , virtual public C0 { public: int i2; }; class C3 : virtual public C0 , virtual public C2 , virtual public C1 { public: int i3; }; class C4 : virtual public C2 , public C1 , virtual public C3 , public C0 { public: int i4; }; class C5 : virtual public C0 , virtual public C4 , public C1 , virtual public C2 , virtual public C3 { public: int i5; }; class C6 : public C0 , virtual public C1 , public C5 , public C2 , virtual public C3 , virtual public C4 { public: int i6; }; class C7 : virtual public C1 , public C5 , virtual public C6 , virtual public C4 , virtual public C3 , virtual public C0 { public: int i7; }; class C8 : virtual public C6 , virtual public C1 , virtual public C2 , public C3 , virtual public C4 { public: int i8; }; class C9 : public C4 , virtual public C2 , virtual public C8 , public C3 , public C1 , public C6 , public C5 { public: int i9; };