int dim = tensorflow::GetTensorSpatialDimIndex(num_dims, data_format, i);
      int orig_input_shape_padded_in_dim = orig_input_shape[dim] +
                                           orig_padding[dim].first +
                                           orig_padding[dim].second;
      // Set interior padding such that neighboring entries from
      // `out_grad_divided` have distance `strides[dim]` from each other in
      // every dimension.