#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
void solve();
int main(){
    ios::sync_with_stdio(false);int T=1;
    cin>>T;
    while(T--)solve();
}
const int B=105;
ll f[B+8][B+200];
vector<tuple<int,int,int,int,int,int>>ans;
void up(int x,int y,int o) {
    f[x][y+B]--,f[x+1][y+B]--,f[x+o][y+1+B]++;
    if(o==1)ans.emplace_back(x,y,x+1,y,x+o,y+1);
    else ans.emplace_back(x+1,y,x,y,x+o,y+1);
}

int vis[200];

void solve(){
    int n;
    cin>>n;
    if(n>=5){
        cout<<-1<<'\n';
        return;
    }
    vector<tuple<int,int,int>>v={
        {5,3,1},{4,2,1},{6,2,0},{3,1,1},{4,1,1},{6,1,0},{7,1,0},
        {2,0,1},{3,0,1},{3,0,1},{5,0,1},{5,0,0},{8,0,0},{7,0,0},{7,0,0},
        {2,-1,1},{2,-1,1},{3,-1,1},{4,-1,1},{8,-1,0},{8,-1,0},{7,-1,0},{6,-1,0},
        {1,-2,1},{2,-2,1},{3,-2,0},{4,-2,0},{9,-2,0},{8,-2,0},{7,-2,1},{6,-2,1},
        {1,-3,1},{2,-3,1},{4,-3,0},{9,-3,0},{8,-3,0},{6,-3,1},
        {1,-4,1},{9,-4,0}
    };
    for(int i=0;i<=100;i++)for(int j=-5;j<=0;j++)f[i][j+B]=1;
    while(true) {
        int p=0;
        for(int i=0;i<v.size();i++) {
            if(vis[i])continue;
            auto[x,y,z]=v[i];
            if(f[x][y+B]&&f[x+1][y+B]&&!f[x+z][y+1+B])up(x,y,z),p=i,vis[i]=1;
            if(p)break;
        }
        if(!p)break;
    }
    cout<<ans.size()<<'\n';
    for(auto[q,w,e,r,t,y]:ans)cout<<q<<' '<<w<<' '<<e<<' '<<r<<' '<<t<<' '<<y<<'\n';
}