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#include <bits/stdc++.h>

using namespace std;

void solve(){
    int n, k; cin>>n>>k;

    if(n == 1){
        if(k > 1 or k < 1) cout<<"NIE"<<endl;
        else cout<<"P"<<endl;
        return;
    }
    if(n == 2){
        if(k <= 0) cout<<"NIE"<<endl;
        if(k == 1) cout<<"AP"<<endl;
        if(k == 2) cout<<"AA"<<endl;
        if(k > 2) cout<<"NIE"<<endl;
        return;
    }
    if(n == 3){
        if(k <= 1) cout<<"NIE"<<endl;
        if(k == 2) cout<<"AAP"<<endl;
        if(k == 3) cout<<"AAA"<<endl;
        if(k > 3) cout<<"NIE"<<endl;
        return;
    }
    if(n == 4){
        if(k <= 1) cout<<"NIE"<<endl;
        if(k == 2) cout<<"AAPP"<<endl;
        if(k == 3) cout<<"AAAP"<<endl;
        if(k == 4) cout<<"AAAA"<<endl;
        if(k > 4) cout<<"NIE"<<endl;
        return;
    }
    if(n == 5){
        if(k <= 2) cout<<"NIE"<<endl;
        if(k == 3) cout<<"AAAPP"<<endl;
        if(k == 4) cout<<"AAAAP"<<endl;
        if(k == 5) cout<<"AAAAA"<<endl;
        if(k > 5) cout<<"NIE"<<endl;
        return;
    }
    if(n == 6){
        if(k <= 2) cout<<"NIE"<<endl;
        if(k == 3) cout<<"AAAPPP"<<endl;
        if(k == 4) cout<<"AAAAPP"<<endl;
        if(k == 5) cout<<"AAAAAP"<<endl;
        if(k == 6) cout<<"AAAAAA"<<endl;
        if(k > 6) cout<<"NIE"<<endl;
        return;
    }
    if(n == 7 and k == 3){
        cout<<"AAAPAPP"<<endl;
        return;
    }
    if(k < 4){
        cout<<"NIE"<<endl;
        return;
    }
    if(k > n){
        cout<<"NIE"<<endl;
        return;
    }
    string tmp;
    for(int i = 0; i<(n + 5) / 6; i++){
        tmp += "PPAPAA";
    }

    for(int i = 0; i<k; i++) tmp += 'P';

    for(int i = tmp.size() - n; i<tmp.size(); i++){
        cout<<tmp[i];
    }
    cout<<endl;
    return;
}

int main(){
    cin.tie(0)->sync_with_stdio(0);
    int t; cin>>t;
    while(t--) solve();
    return 0;
}