class SortedSet {
  constructor() {
    this.length = 0;
  }

  add(element) {
    p = this.length;
    for (i = 0; i < this.length; i++) {
      if (this[i] == element) {
        return;
      } else if (this[i] > element) {
        p = i;
        break;
      }
    }
    for (i = this.length; i > p; i--) {
      this[i] = this[i - 1];
    }
    this[p] = element;
    this.length++;
  }
}

class QuantityData {
  constructor() {
    this.map = {};
  }

  get(user, code) {
    if (!(user in this.map) || !(code in this.map[user])) {
      return 0;
    }
    return this.map[user][code];
  }

  set(user, code, quantity) {
    if (!(user in this.map)) {
      this.map[user] = {};
    }
    this.map[user][code] = quantity;
  }
}

users = new SortedSet();
codes = new SortedSet();
data = new QuantityData();

for (y = 1; y <= Bottom; y++) {
  users.add([1,y]);
  codes.add([2,y]);
  data.set([1,y], [2,y], [3,y]);
}

DeleteRow(1, Bottom);

y = 1;
for (user of users) {
  [1,y] = user;
  x = 2;
  for (code of codes) {
    [x,y] = code;
    [x+1,y] = data.get(user, code);
    x += 2;
  }
  y++;
}