How to animate multiple animation in a single object

[aseemsalimtvm]

   val solution = "F F' U U'"
   var count = 0
  override fun onModelAdded(renderableInstance: RenderableInstance?) {
          this.renderableInstance = renderableInstance
          val move = Move.findByNotation(solution.split(" ")[0])!!
          animateMove(move,renderableInstance)
      }
  
      override fun onModelError(exception: Throwable?) {
  
      }

private fun animateMove(move : Move, renderableInstance: RenderableInstance?){
    if(renderableInstance == null) return
    val animation = when(move){
        Move.F-> renderableInstance.animate(
            "F_00",
            "F_01",
            "F_10",
            "F_11"
        )
        Move.F_PRIME-> renderableInstance.animate(
            "F'_00",
            "F'_01",
            "F'_10",
            "F'_11"
        )
        Move.U-> renderableInstance.animate(
            "U_00",
            "U_01",
            "U_10",
            "U_11"
        )
        Move.U_PRIME-> renderableInstance.animate(
            "U'_00",
            "U'_01",
            "U'_10",
            "U'_11"
        )
        else -> null
    }
    animation?.apply {
        duration = 2000
        repeatCount = 0
        addListener(this@SceneFormArActivity)
        start()
    }
}

override fun onAnimationStart(animation: Animator?) {

}

override fun onAnimationEnd(animation: Animator?){
    count++
    if(count < 4) {
        val move = Move.findByNotation(solution.split(" ")[count])!!
        Log.d(TAG, "onAnimationEnd: Move = ${move.notation}")
        animateMove(
            move,
            renderableInstance
        )
    }
}

i want to perform series of animations but some of the animation not animating , here
"F_00",
"F_01",
"F_10",
"F_11"
"F'_00",
"F'_01",
"F'_10",
"F'_11"
are the animation of 4 objects in 2 different moves in first Move Move.F first four animations get played after that i want play the reverse animation using the Move.F_PRIME but nothing playing