D12121212121313233313123231323223313132322331323132233132333132313131112311   >>    D1212121212131323331312323132322331313232233132313223313233313231313111231   <<    D12121212121313233313123231323223313132322331323132233132333132313131112313   >>      D12121212121313233313123231323223313132322331323132233132333132313131112312   >>