Freeze the Zoa just a few pixels higher than it would be if Samus was standing next to the farm. Dodge and freeze the other Zoas, or tank a hit then kill them and don't collect their drops. Maintain a half-tile runway between the frozen Zoa and the runway in order to extend it as much as possible.

Requires:

"h_canFrozenEnemyRunway"
{
  "or": [
    "h_canTrickyFrozenEnemyRunway",
    {
      "enemyDamage": {
        "enemy": "Zoa",
        "type": "contact",
        "hits": 1
      }
    }
  ]
}

Exit condition:

{
  "leaveWithRunway": {
    "length": 3,
    "openEnd": 0
  }
}