model {
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        dimension: 3
      }
      scale: 0
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      lifetime: SUBGRAPH_INPUT
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        dimension: 3
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      data {
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      channel_quant {
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  operations {
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        index: 1
        index: 2
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  input_indexes {
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    index: 1
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  output_indexes {
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  }
  is_relaxed: true
}
