Whack-A-Mole

var molePosX:Array = [166.90, 494.8, 810.7];

var molePosY:Array = [282.55, 512.45, 730.35];

var randomHole:Number = Math.floor(Math.random()*10)+1; //Only generate

          switch (randomHole){

          case 1: trace("1");

          moleRun(molePosX[1],molePosY[1]);

          break;

          case 2: trace("2");

          moleRun(molePosX[2],molePosY[1]);

          break;

          case 3: trace("3");

          moleRun(molePosX[3],molePosY[1]);

          break;

          case 4: trace("4");

          moleRun(molePosX[1],molePosY[2]);

          break;

          case 5: trace("5");

          moleRun(molePosX[2],molePosY[2]);

          break;

          case 6: trace("6");

          moleRun(molePosX[3],molePosY[2]);

          break;

          case 7: trace("7");

          moleRun(molePosX[1],molePosY[3]);

          break;

          case 8: trace("8");

          moleRun(molePosX[2],molePosY[3]);

          break;

          case 9: trace("9");

          moleRun(molePosX[3],molePosY[3]);

          break;

          case 10: trace("10");

          break;

          }

          function moleRun(xPos:Number,yPos:Number){

                    var mole:Mole = new Mole();

                    mole.x = xPos;

                    mole.y = yPos;

                    addChild(mole);

          }

The problem is that the moles are just jumping out of position. I assigned it according to a 3X3 hole position. There are 9 holes in total but I am not sure why they jump out of the destined position. Thank you!