Jump into IBJ to avoid breaking the ledges. Place a Power Bomb on the ascent to break the block and continue the IBJ through it. It is possible to do without a Power Bomb with canBombAboveIBJ.

Requires:

"h_canJumpIntoIBJ"
{
  "or": [
    "canBombAboveIBJ",
    {
      "ammo": {
        "type": "PowerBomb",
        "count": 1
      }
    }
  ]
}
{
  "obstaclesCleared": [
    "B"
  ]
}