/* -*- coding: utf-8 -*-
 *
 * 1258.cc:  No.1258 コインゲーム - yukicoder
 */

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<set>
#include<stack>
#include<list>
#include<queue>
#include<deque>
#include<algorithm>
#include<numeric>
#include<utility>
#include<complex>
#include<functional>
 
using namespace std;

/* constant */

const int MOD = 1000000007;

/* typedef */

typedef long long ll;

struct Mat2 {
  int a, b, c, d;
  Mat2() {}
  Mat2(int _a, int _b, int _c, int _d):
    a(_a), b(_b), c(_c), d(_d) {}

  Mat2 operator*(const Mat2 &m) const {
    return Mat2(((ll)a * m.a % MOD + (ll)b * m.c % MOD) % MOD,
		((ll)a * m.b % MOD + (ll)b * m.d % MOD) % MOD,
		((ll)c * m.a % MOD + (ll)d * m.c % MOD) % MOD,
		((ll)c * m.b % MOD + (ll)d * m.d % MOD) % MOD);
  }

  Mat2 operator^(int n) {
    Mat2 p(1, 0, 0, 1), a = *this;
    while (n > 0) {
      if (n & 1) p = p * a;
      a = a * a;
      n >>= 1;
    }
    return p;
  }
};

/* global variables */

/* subroutines */

/* main */

int main() {
  int tn;
  scanf("%d", &tn);

  while (tn--) {
    int n, m, x;
    scanf("%d%d%d", &n, &m, &x);

    Mat2 ma(1, m, m, 1);
    Mat2 mb = ma ^ n;
    printf("%d\n", (x == 0) ? mb.a : mb.c);
  }
  return 0;
}