#include <bits/stdc++.h>
using namespace std;
int main(void){
    int t;
    cin>>t;
    while(t--){
        int n;
        cin>>n;
        if(n<=9){
            for(int i=0;i<n-1;i++){
                cout<<i+1;
            }
            cout<<0<<endl;
        }else{
            for(int i=0;i<n;i++){
                cout<<(i+1)%10;
            }
            cout<<endl;
        }
    }
    return 0;
}