#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; using namespace atcoder; typedef long long ll; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repr(i, n) for (int i = (int)(n) - 1; i >= 0; i--) #define repk(i, k, n) for (int i = k; i < (int)(n); i++) #define all(v) v.begin(), v.end() #define mod1 1000000007 #define mod2 998244353 #define mod3 100000007 #define vi vector #define vs vector #define vc vector #define vl vector #define vb vector #define vvi vector> #define vvc vector> #define vvl vector> #define vvb vector> #define vvvi vector>> #define vvvl vector>> #define pii pair #define pil pair #define pli pair #define pll pair #define vpii vector> #define vpll vector> #define vvpii vector>> #define vvpll vector>> // using mint = modint998244353; template void debug(T e) { cerr << e << endl; } template void debug(vector &v) { rep(i, v.size()) { cerr << v[i] << " "; } cerr << endl; } template void debug(vector> &v) { rep(i, v.size()) { rep(j, v[i].size()) { cerr << v[i][j] << " "; } cerr << endl; } } template void debug(vector> &v) { rep(i, v.size()) { cerr << v[i].first << " " << v[i].second << endl; } } template void debug(set &st) { for (auto itr = st.begin(); itr != st.end(); itr++) { cerr << *itr << " "; } cerr << endl; } template void debug(multiset &ms) { for (auto itr = ms.begin(); itr != ms.end(); itr++) { cerr << *itr << " "; } cerr << endl; } template void debug(map &mp) { for (auto itr = mp.begin(); itr != mp.end(); itr++) { cerr << itr->first << " " << itr->second << endl; } } void debug_out() { cerr << endl; } template void debug_out(Head H, Tail... T) { cerr << H << " "; debug_out(T...); } int main() { ll N; cin >> N; vector A(N); vector B(N); for (ll i = 0; i < N; i++) { cin >> A[i]; } for (ll i = 0; i < N; i++) { cin >> B[i]; } ll msb = 0; for (ll i = 0; i < 30; i++) { for (ll j = 0; j < N; j++) { if ((A[j] >> i) & 1) { msb = max(msb, i); } } for (ll j = 0; j < N; j++) { if ((B[j] >> i) & 1) { msb = max(msb, i); } } } ll has_a = -1; ll has_b = -1; for (ll i = 0; i < N; i++) { if ((A[i] >> msb) & 1) { has_a = i; } } for (ll i = 0; i < N; i++) { if ((B[i] >> msb) & 1) { has_b = i; } } vector> ans(0); if (has_a != -1) { for (ll i = 0; i < N; i++) { if (!((B[i] >> msb) & 1)) { pll p = make_pair(has_a + 1, i + 1); ans.push_back(make_pair(2, p)); B[i] ^= A[has_a]; } } for (ll i = 0; i < N; i++) { if ((A[i] >> msb) & 1) { pll p = make_pair(i + 1, 1); ans.push_back(make_pair(1, p)); A[i] ^= B[0]; } } } else { pll pf = make_pair(1, has_b + 1); ans.push_back(make_pair(1, pf)); A[0] ^= B[has_b]; for (ll i = 0; i < N; i++) { if (!((B[i] >> msb) & 1)) { pll p = make_pair(1, i + 1); ans.push_back(make_pair(2, p)); B[i] ^= A[0]; } } for (ll i = 0; i < N; i++) { if ((A[i] >> msb) & 1) { pll p = make_pair(i + 1, 1); ans.push_back(make_pair(1, p)); A[i] ^= B[0]; } } } ll len = ans.size(); cout << len << endl; for (ll i = 0; i < len; i++) { cout << ans[i].first << " " << ans[i].second.first << " " << ans[i].second.second << endl; } }