D12121212121313233313123231323223313132322331323132233131323221121131   >>    D1212121212131323331312323132322331313232233132313223313132322112113   <<    D12121212121313233313123231323223313132322331323132233131323221121133   >>      D12121212121313233313123231323223313132322331323132233131323221121132   >>