#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using i128 = __int128;
using u128 = unsigned __int128;
template <typename T>
void chkmax(T &x, const T &y) {
  if (x < y) x = y;
}
template <typename T>
void chkmin(T &x, const T &y) {
  if (y < x) x = y;
}
template <typename T, typename cmp = less<T>>
struct deletable_heap {
  priority_queue<T, vector<T>, cmp> pq1, pq2;
  void push(const T &x) { pq1.emplace(x); }
  void erase(const T &x) {
    pq2.emplace(x);
    while (!pq2.empty() && pq1.top() == pq2.top()) {
      pq1.pop();
      pq2.pop();
    }
  }
  T top() const { return pq1.top(); }
  bool empty() const { return pq1.empty(); }
};
template <typename T>
struct fenwick_tree {
  T sum;
  vector<T> bit, val;
  void resize(int siz) {
    bit.resize(siz);
    val.resize(siz);
  }
  void update(int p, T x) {
    val[p] += x;
    sum += x;
    for (++p; p <= (int)bit.size(); p += p & -p) bit[p - 1] += x;
  }
  T query(int p) const {
    T ret = 0;
    for (++p; p >= 1; p -= p & -p) ret += bit[p - 1];
    return ret;
  }
};
constexpr int MAXH = 18, MOD = 1e9 + 7;
int add(int x, int y) {
  x += y;
  return x >= MOD ? x - MOD : x;
}
int h, a[1 << MAXH], rk1[1 << MAXH][MAXH + 1], rk2[1 << MAXH][MAXH + 1];
int pw2[1 << MAXH];
pair<int, int> ord[1 << MAXH];
vector<int> ord1[1 << MAXH], ord2[1 << MAXH];
deletable_heap<int> pq[1 << MAXH];
fenwick_tree<int> tr[1 << MAXH];
void dfs(int u, int d) {
  if (d == h - 1) {
    ord1[u] = ord2[u] = {u};
  } else {
    int ls = u << 1, rs = u << 1 | 1, pl = 0, pr = 0;
    dfs(ls, d + 1);
    dfs(rs, d + 1);
    ord1[u].reserve(ord1[ls].size() + ord1[rs].size() + 1);
    ord2[u].reserve(ord1[ls].size() + ord1[rs].size() + 1);
    ord2[u].emplace_back(u);
    while (pl < (int)ord1[ls].size() || pr < (int)ord1[rs].size()) {
      if (pl < (int)ord1[ls].size() && (pr == (int)ord1[rs].size() ||
          a[ord1[ls][pl]] < a[ord2[rs][pr]])) {
        ord1[u].emplace_back(ord1[ls][pl]);
        ord2[u].emplace_back(ord2[ls][pl++]);
      } else {
        ord1[u].emplace_back(ord1[rs][pr]);
        ord2[u].emplace_back(ord2[rs][pr++]);
      }
    }
    ord1[u].emplace_back(u);
    for (int i = 0; i < (int)ord1[u].size(); ++i) {
      rk1[ord1[u][i]][d] = i;
      rk2[ord2[u][i]][d] = i;
    }
  }
  tr[u].resize(ord1[u].size());
}
bool in_tree(int u, int v) {
  int cu = __builtin_clz(u), cv = __builtin_clz(v);
  return cu <= cv && u >> (cv - cu) == v;
}
int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  cin >> h;
  for (int i = 1; i < 1 << h; ++i) {
    cin >> a[i];
    ord[i] = {a[i], i};
  }
  sort(ord + 1, ord + (1 << h));
  dfs(1, 0);
  pw2[0] = 1;
  for (int i = 1; i < 1 << h; ++i) pw2[i] = add(pw2[i - 1], pw2[i - 1]);
  int q;
  cin >> q;
  int s2 = 0;
  while (q--) {
    int typ, x, y;
    cin >> typ >> x >> y;
    if (typ == 1) {
      if (y == 1) {
        for (int i = x, d = __lg(x); i; i >>= 1, --d)
          pq[i].push(a[ord1[i][rk2[x][d]]]);
      } else {
        ++s2;
        for (int i = x, d = __lg(x); i; i >>= 1, --d)
          tr[i].update(rk2[x][d], 1);
      }
    } else if (typ == 2) {
      if (y == 1) {
        for (int i = x, d = __lg(x); i; i >>= 1, --d)
          pq[i].erase(a[ord1[i][rk2[x][d]]]);
      } else {
        --s2;
        for (int i = x, d = __lg(x); i; i >>= 1, --d)
          tr[i].update(rk2[x][d], -1);
      }
    } else {
      auto it = lower_bound(ord + 1, ord + (1 << h), make_pair(y, 0));
      if (it == ord + (1 << h) || it->first != y || !in_tree(it->second, x) ||
          (!pq[x].empty() && pq[x].top() > y)) {
        cout << "0\n";
        continue;
      }
      int u = it->second, d = __lg(x);
      if (!pq[x].empty() && pq[x].top() == y) {
        cout << pw2[s2 - tr[x].sum + tr[x].query(rk1[u][d])] << "\n";
      } else {
        cout << (tr[x].val[rk1[u][d]] ? pw2[s2 - tr[x].sum + tr[x].query(rk1[u][d]) - 1] : 0) << "\n";
      }
    }
  }
  return 0;
}
/*
g++ C.cpp -o C -std=c++14 -O2 -Wall -Wextra -Wshadow -g -fsanitize=address,undefined
*/
/*
2
10 9 3 
4
1 3 1
1 2 2
1 1 1
3 1 9
*/