dimension_numbers = #mhlo.conv<raw
      input_batch_dimension = 0,
      input_feature_dimension = 3,
      input_spatial_dimensions = [1, 2],
      kernel_input_feature_dimension = 2,
      kernel_output_feature_dimension = 3,
      kernel_spatial_dimensions = [0, 1],
      output_batch_dimension = 0,
      output_feature_dimension = 3,
      output_spatial_dimensions = [1, 2]