{
  "universe_size": 3,
  "sets": [
    [
      0,
      1
    ],
    [
      1,
      2
    ],
    [
      2
    ]
  ],
  "block_length": 2,
  "food": [
    "f"
  ],
  "reactions": [
    {
      "id": "g0",
      "reactants": [
        "f"
      ],
      "product": "y0",
      "catalysts": [
        "z0:1"
      ]
    },
    {
      "id": "g1",
      "reactants": [
        "f",
        "y0"
      ],
      "product": "y1",
      "catalysts": [
        "z0:1",
        "z1:1"
      ]
    },
    {
      "id": "g2",
      "reactants": [
        "f",
        "y1"
      ],
      "product": "y2",
      "catalysts": [
        "z1:1",
        "z2:1"
      ]
    },
    {
      "id": "b0:0",
      "reactants": [
        "f",
        "y2"
      ],
      "product": "z0:0",
      "catalysts": [
        "z0:1"
      ]
    },
    {
      "id": "b0:1",
      "reactants": [
        "f",
        "z0:0"
      ],
      "product": "z0:1",
      "catalysts": [
        "z0:1"
      ]
    },
    {
      "id": "b1:0",
      "reactants": [
        "f",
        "y2"
      ],
      "product": "z1:0",
      "catalysts": [
        "z1:1"
      ]
    },
    {
      "id": "b1:1",
      "reactants": [
        "f",
        "z1:0"
      ],
      "product": "z1:1",
      "catalysts": [
        "z1:1"
      ]
    },
    {
      "id": "b2:0",
      "reactants": [
        "f",
        "y2"
      ],
      "product": "z2:0",
      "catalysts": [
        "z2:1"
      ]
    },
    {
      "id": "b2:1",
      "reactants": [
        "f",
        "z2:0"
      ],
      "product": "z2:1",
      "catalysts": [
        "z2:1"
      ]
    }
  ]
}