The Beach: Cross Room Jump - Speedy HiJump through Toilet

Room ID: 179

Wiki
Cross Room Jump - Speedy HiJump through Toilet (Very Hard)
The Beach
From: 2
Bottom Door
To: 4
Water Level Junction

Gain a few tiles of run speed and jump through the transition, without bonking against the door frame. Perform a momentum-conserving turn-around to make it around the corner of the ledge above.

Entrance condition:

{
  "comeInWithPlatformBelow": {
    "minHeight": 10,
    "maxHeight": 10,
    "maxLeftPosition": -4,
    "minRightPosition": 0
  },
  "comesThroughToilet": "yes"
}

Requires:

"canCrossRoomJumpIntoWater"
"HiJump"
"canSpeedyJump"
"canMomentumConservingTurnaround"