Implementaçãso Ampulheta2d Javascript

```javascript=

const firstInt = [
  [1,1,1,0,0,0],
  [0,1,0,0,0,0],
  [1,1,1,0,0,0],
  [0,0,0,2,0,1],
  [0,0,0,0,2,0],
  [0,0,0,2,3,9]
];

const sencondInt = [
  [1,1,1,0,0,0,2,-8,9],
  [0,1,0,0,0,0,0,2,0],
  [1,1,1,0,0,0,-9,9,1],
  [0,0,0,2,0,1,0,0,2],
  [0,0,0,0,2,0,0,0,0],
  [0,0,0,2,3,9,0,0,0],
  [0,0,0,0,0,0,2,3,9],
  [0,0,0,0,0,0,0,-9,0],
  [0,0,0,0,0,0,2,3,9],
];


const carambolas2D = arr => {
  
  let listinha = []
  
  for (let i = 0; i < arr.length; i++){
    for (let j = 0; j < arr[i].length; j++) {        
      if ((arr[i + 2][j + 2] !== undefined) && (i < arr.length - 2)) {
        let somatuto =
            arr[i][j] +
            arr[i][j + 1] +
            arr[i][j + 2] +
            arr[i + 1][j + 1] +
            arr[i + 2][j] +
            arr[i + 2][j + 1] +
            arr[i + 2][j + 2];

        listinha.push(somatuto);
      } else {
        console.log('num tem')
      }
    }
  }
  
  // return listinha.reducer((valAnt, valAtu) => valAnt > valAtu ? valAnt : valAtu);
  return listinha;
}

console.log(carambolas2D(firstInt));


```