#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  int t;
  cin >> t;
  while (t--) {
    int n;
    cin >> n;
    int x = 1;
    vector<int> sol;
    while (n) {
      if (n % 10) {
        sol.push_back((n % 10) * x);
      }
      x *= 10;
      n /= 10;
    }
    cout << sol.size() << endl;
    for (int x : sol) cout << x << " ";
    cout << endl;
  }
  return 0;
}
