function nextGeneration(grid) {
  const neighborsInit = {
    l:true,bl:true,bc:true,br:true,r:true,tr:true,tc:true,tl:true
  };
  let neighbors = JSON.parse(JSON.stringify(neighborsInit));
  let liveNeighbors = 0;
  let isAlive = true;
  var nextGen = JSON.parse(JSON.stringify(grid));
  grid.map(function(row,rowIndex,rows){
    row.map(function(element,index,thisRow){
      liveNeighbors = 0;
      neighbors = JSON.parse(JSON.stringify(neighborsInit));
      if(element == 1){
        isAlive = true;
      } else {
        isAlive = false;
      }

      //Where to check
      if(rowIndex === 0){
        //If it is the first row don't look for life above
        neighbors.tr = neighbors.tc = neighbors.tl = false;
      }
      if(rowIndex === grid.length-1){
        //If it is the last row don't look for life below
        neighbors.br = neighbors.bc = neighbors.bl = false;
      }
      if(index == 0){
        //If it is the first column don't look for life left
        neighbors.tl = neighbors.l = neighbors.bl = false;
      }
      if(index == row.length-1){
        //If it is the last column don't look for life right
        neighbors.tr = neighbors.r = neighbors.br = false;
      }
      //Top
      if(neighbors.tl && grid[rowIndex-1][index-1] == 1){
        liveNeighbors++;
      }
      if(neighbors.tc && grid[rowIndex-1][index] == 1){
        liveNeighbors++;
      }
      if(neighbors.tr && grid[rowIndex-1][index+1] == 1){
        liveNeighbors++;
      }
      //right
      if(neighbors.r && grid[rowIndex][index+1] == 1){
        liveNeighbors++;
      }
      //Bottom
      if(neighbors.br && (grid[rowIndex+1][index+1] === 1)){
        liveNeighbors++;
      }
      if(neighbors.bc && grid[rowIndex+1][index] == 1){
        liveNeighbors++;
      }
      if(neighbors.bl && grid[rowIndex+1][index-1] == 1){
        liveNeighbors++;
      }
      //left
      if(neighbors.l && grid[rowIndex][index-1] == 1){
        liveNeighbors++;
      }

      //Live?
      if(isAlive){

        //Any live cell with fewer than two live neighbours dies, as if caused by underpopulation.
        if(liveNeighbors < 2){
          //kill
          //console.log('die from lonliness :(');
          nextGen[rowIndex][index] = 0;
        }
        //Any live cell with more than three live neighbours dies, as if by overcrowding.
        if(liveNeighbors > 3){
          //kill
          //console.log('died from over crowding');
          nextGen[rowIndex][index] = 0;
        }
      }
      //Any dead cell with exactly three live neighbours becomes a live cell.
      if(!isAlive && liveNeighbors == 3){
        nextGen[rowIndex][index] = 1;
      } else {
        //console.info('he stay ded');
      }
    });
  });
  return nextGen;
}