Requires:

"canHorizontalShinespark"
{
  "useFlashSuit": {}
}
{
  "shinespark": {
    "frames": 54,
    "excessFrames": 43
  }
}
{
  "or": [
    "canWalljump",
    "SpaceJump",
    {
      "and": [
        "HiJump",
        {
          "or": [
            "SpeedBooster",
            "canInsaneJump"
          ]
        }
      ]
    }
  ]
}

Clears obstacles: A

Dev note: This can be done with HiJump alone; it requires a precise spin jump and then a very precise horizontal spark at the top of the jump.