//@formatter:off
#include<bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < int(n); ++i)
#define rrep(i,n) for (int i = int(n)-1; i >= 0; i--)
#define rep2(i,s,n) for (int i = int(s); i < int(n); ++i)
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define pb push_back
#define eb emplace_back
#define vi vector<int>
#define vvi vector<vector<int>>
#define vl vector<ll>
#define vvl vector<vector<ll>>
#define vd vector<double>
#define vvd vector<vector<double>>
#define vs vector<string>
#define vc vector<char>
#define vvc vector<vector<char>>
#define vb vector<bool>
#define vvb vector<vector<bool>>
#define vp vector<P>
#define vvp vector<vector<P>>
using namespace std;
using ll = long long;
using P = pair<int,int>;
using LP = pair<ll,ll>;
template<class S,class T> istream& operator>>(istream &is,pair<S,T> &p) { return is >> p.first >> p.second; }
template<class S,class T> ostream& operator<<(ostream &os,const pair<S,T> &p) { return os<<'{'<<p.first<<","<<p.second<<'}'; }
template<class T> istream& operator>>(istream &is,vector<T> &v) { for(T &t:v){is>>t;} return is; }
template<class T> ostream& operator<<(ostream &os,const vector<T> &v) { os<<'[';rep(i,v.size())os<<v[i]<<(i==int(v.size()-1)?"":","); return os<<']'; }
void Yes(bool b) { cout << (b ? "Yes" : "No") << '\n'; }
void YES(bool b) { cout << (b ? "YES" : "NO") << '\n'; }
template<class T> bool chmin(T& a,T b) {if(a > b){a = b; return true;} return false;}
template<class T> bool chmax(T& a,T b) {if(a < b){a = b; return true;} return false;}
const int inf = 1001001001;
const ll linf = 1001001001001001001;
//@formatter:on

constexpr int mod = 1000000007;

//constexpr int mod = 998244353;
struct mint {
    ll x;
    
    constexpr mint(ll x = 0) : x((x % mod + mod) % mod) {}
    
    constexpr mint operator-() const { return mint(-x); }
    
    constexpr mint &operator+=(const mint &a) {
        if ((x += a.x) >= mod) x -= mod;
        return *this;
    }
    
    constexpr mint &operator++() { return *this += mint(1); }
    
    constexpr mint &operator-=(const mint &a) {
        if ((x += mod - a.x) >= mod) x -= mod;
        return *this;
    }
    
    constexpr mint &operator--() { return *this -= mint(1); }
    
    constexpr mint &operator*=(const mint &a) {
        (x *= a.x) %= mod;
        return *this;
    }
    
    constexpr mint operator+(const mint &a) const {
        mint res(*this);
        return res += a;
    }
    
    constexpr mint operator-(const mint &a) const {
        mint res(*this);
        return res -= a;
    }
    
    constexpr mint operator*(const mint &a) const {
        mint res(*this);
        return res *= a;
    }
    
    constexpr mint pow(ll t) const {
        mint res = mint(1), a(*this);
        while (t > 0) {
            if (t & 1) res *= a;
            t >>= 1;
            a *= a;
        }
        return res;
    }
    
    // for prime mod
    constexpr mint inv() const { return pow(mod - 2); }
    
    constexpr mint &operator/=(const mint &a) { return *this *= a.inv(); }
    
    constexpr mint operator/(const mint &a) const {
        mint res(*this);
        return res /= a;
    }
};

ostream &operator<<(ostream &os, const mint &a) { return os << a.x; }

template<typename T>
struct matrix {
    int h, w;
    vector<vector<T>> v;
    
    constexpr matrix(int h, int w, T t) : h(h), w(w), v(vector<vector<T>>(h, vector<T>(w, t))) {}
    
    constexpr matrix(vector<vector<T>> v) : v(v), h(v.size()), w(v[0].size()) {}
    
    constexpr matrix &operator+=(const matrix &a) {
        rep(i, h) rep(j, w) v[i][j] += a.v[i][j];
        return *this;
    }
    
    constexpr matrix &operator*=(const int &k) {
        rep(i, h) rep(j, w) v[i][j] *= k;
        return *this;
    }
    
    constexpr matrix &operator-=(const matrix &a) {
        *this += a * (-1);
        return *this;
    }
    
    constexpr matrix operator+(const matrix &a) const { return res(*this) += a; }
    
    constexpr matrix operator*(const int &k) const { return res(*this) *= k; }
    
    constexpr matrix operator-(const matrix &a) const { return res(*this) -= a; }
    
    constexpr matrix operator*(const matrix &a) const {
        matrix res(h, a.w, 0);
        rep(i, h) rep(j, a.h) rep(k, a.w) res.v[i][k] += v[i][j] * a.v[j][k];
        return res;
    }
    
    constexpr matrix &operator*=(const matrix &a) { return *this = *this * a; }
    
    constexpr matrix pow(ll t) const {
        matrix res(h, w, 0), a(*this);
        rep(i, h) res.v[i][i] = 1;
        while (t > 0) {
            if (t & 1) res *= a;
            t >>= 1;
            a *= a;
        }
        return res;
    }
};

void solve() {
    int n, m, x;
    cin >> n >> m >> x;
    vector<vector<mint>> v(2, vector<mint>(1, 0));
    v[0][0] = 1;
    vector<vector<mint>> trans(2, vector<mint>(2, 1));
    trans[0][1] = trans[1][0] = m;
    matrix<mint> v_m(v), trans_m(trans);
    auto ans_m = trans_m.pow(n) * v_m;
    auto ans = ans_m.v;
    cout << ans[x][0] << endl;
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int t;
    cin >> t;
    rep(i, t) solve();
}