function sortingNumbers(numbers) {
     const result = [];
     const smallest = numbers.sort((a,b) => a - b).slice(0, Math.ceil(numbers.length / 2));
     const biggest = numbers.sort((a,b) => b - a).slice(0, Math.floor(numbers.length / 2))

     for (let i = 0; i < Math.max(smallest.length, biggest.length); i++) {
         result.push(smallest[i]);
         result.push(biggest[i]);
     }

     return result;
 }