#include <bits/stdc++.h>
using namespace std;

int main()
{
    int testcase;
    cin >> testcase;
    while (testcase--)
    {
        int input, temp,temp2, particle = 1, factor = 1, fact_temp=1, result;

        cin >> input;
        temp = input;
        while (temp)
        {
            temp = temp / 10;
            fact_temp = fact_temp * 10;
        }
        temp2=input;
        factor=fact_temp;
        while (factor > 1)
        {
            factor = factor / 10;
            result = temp2 / factor;
            if (result * factor != 0)
            {
                particle++;
            }
            temp2 = temp2 % factor;
        }
        cout << particle - 1 << endl;
        while (fact_temp > 1)
        {
            fact_temp = fact_temp / 10;
            result = input / fact_temp;
            if (result * fact_temp != 0)
            {
                cout << result * fact_temp << " ";
            }
            input = input % fact_temp;
        }
        cout << endl;
    }
}