Run and jump at the very edge of the center platform. Wait for the water level to begin lowering to walljump on the far edge. An airball may be a little easier.

Requires:

"canTrickyJump"
{
  "or": [
    "canLateralMidAirMorph",
    "canInsaneWalljump",
    {
      "and": [
        "SpeedBooster",
        "canPreciseWalljump"
      ]
    }
  ]
}