name: "TestInput"

input: "old_style_input_blue_green"
input_dim: 1
input_dim: 2
input_dim: 10
input_dim: 11

input: "old_style_input_red"
input_dim: 1
input_dim: 1
input_dim: 10
input_dim: 11

layer {
  type: "Input"
  name: "input_red"
  top: "different_name_for_red"  # Top is different to 'name' field
  input_param {
    shape {
      dim: 1
      dim: 1
      dim: 10
      dim: 11
    }
  }
}
layer {
  type: "Input"
  name: "input_layer_blue_green"
  top: "input_layer_blue_green"
  input_param {
    shape {
      dim: 1
      dim: 2
      dim: 10
      dim: 11
    }
  }
}
layer {
  type: "Concat"
  name: "first_image"
  bottom: "old_style_input_blue_green"
  bottom: "different_name_for_red"
  top: "first_image_merged"
}
layer {
  type: "Concat"
  name: "second_image"
  bottom: "input_layer_blue_green"
  bottom: "old_style_input_red"
  top: "second_image"
}
layer {
  type: "Eltwise"
  name: "output"
  bottom: "first_image_merged"
  bottom: "second_image"
  top: "output"
  eltwise_param {
    operation: SUM
  }
}