D12121212121313233313123231323223313132322331323132233131323132313331323321   >>    D1212121212131323331312323132322331313232233132313223313132313231333132332   <<    D12121212121313233313123231323223313132322331323132233131323132313331323323   >>      D12121212121313233313123231323223313132322331323132233131323132313331323322   >>