The Beach: Cross Room Jump - HiJump Spin Jump (through Toilet)

Room ID: 179

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

Run and spin jump from the platform in the room below, gaining horizontal speed but without bonking the door frame. Perform a momentum-conserving turn-around to make it around the corner of the ledge above.

Entrance condition:

{
  "comeInWithPlatformBelow": {
    "minHeight": 8,
    "maxHeight": 9,
    "maxLeftPosition": -3,
    "minRightPosition": 0
  },
  "comesThroughToilet": "yes"
}

Requires:

"canCrossRoomJumpIntoWater"
"HiJump"
"canMomentumConservingTurnaround"