#include <stdio.h>
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using mint = modint998244353;
using namespace std;
#define rep(i,n) for(int i=0;i<(n);i++)
#define Inf 1000000001


int main(){
	
	int n;
	cin>>n;
	vector<int> a(n),b(n);
	rep(i,n)cin>>a[i];
	rep(i,n)cin>>b[i];
	
	int m = 0;
	rep(i,n){
		rep(j,30){
			if((a[i]>>j)&1){
				m = max(m,j);
			}
			if((b[i]>>j)&1){
				m = max(m,j);
			}
		}
	}
	vector<int> t,p,q;
	
	int ind = -1;
	rep(i,n){
		if((a[i]>>m)&1){
			ind = i;
			break;
		}
	}
	if(ind==-1){
		rep(i,n){
			if((b[i]>>m)&1){
				a[0] ^= b[i];
				t.push_back(0);
				p.push_back(0);
				q.push_back(i);
				ind = 0;
				break;
			}
		}
	}
	
	rep(i,n){
		if((b[i]>>m)&1)continue;
		t.push_back(1);
		p.push_back(ind);
		q.push_back(i);
		b[i] ^= a[ind];
	}
	rep(i,n){
		if((a[i]>>m)&1){
			t.push_back(0);
			p.push_back(i);
			q.push_back(0);
		}
	}
	
	cout<<t.size()<<endl;
	rep(i,t.size()){
		cout<<t[i]+1<<' '<<p[i]+1<<' '<<q[i]+1<<endl;
	}
		
	return 0;
}