What values are logged, in order, when this code runs?

var a = 10;

function outer() {
  var b = 20;

  var inner = function () {
    a++;
    b++;

    console.log(a);
    console.log(b);
  };

  return inner;
}

var innerFn = outer();

innerFn();

var innerFn2 = outer();

innerFn2();