#include<bits/stdc++.h>
using namespace std;
int main(){
  int t;
  cin>>t;
  while(t--){
    int x;
    cin>>x;
    if(x<10){
        cout<<x<<endl;
    }
    else if(x>45){
        cout<<-1<<endl;
    }
    else if(x>9&&x<=17){
        cout<<x-9<<9<<endl;
    }
    else if(x>17&&x<=24){
        cout<<x-17<<89<<endl;
    }
    else if(x>24&&x<=30){
        cout<<x-24<<789<<endl;
    }
    else if(x>30&&x<=35){
        cout<<x-30<<6789<<endl;
    }
    else if(x>35&&x<=39){
        cout<<x-35<<56789<<endl;
    }
    else if(x>39&&x<=42){
        cout<<x-39<<456789<<endl;
    }
    else if(x>42&&x<=44){
        cout<<x-42<<3456789<<endl;
    }
    else if(x>44&&x<=45){
        cout<<x-44<<23456789<<endl;
    }
  }
  return 0;
}