D12121212121313232233132332313231323133313233313113313132333131   >>    D1212121212131323223313233231323132313331323331311331313233313   <<    D12121212121313232233132332313231323133313233313113313132333133   >>      D12121212121313232233132332313231323133313233313113313132333132   >>