import sys
input = sys.stdin.readline
mod = 10**9+7

def matprod(A, B):
    x = len(A)
    y = len(B)
    z = len(B[0])
    C = [[0]*z for _ in range(x)]
    for i in range(x):
        for j in range(y):
            for k in range(z):
                C[i][j] += A[i][k] * B[k][j]
                C[i][j] %= mod
    return C

def matpow(A, n):
    if n == 1:
        return A
    if n%2 == 0:
        B = matpow(A, n/2)
        return matprod(B, B)
    return matprod(A, matpow(A, n-1))

def f():
    n, m, x = map(int, input().split())
    X = [[1, m], [m, 1]]
    Y = matpow(X, n)
    print(Y[0][x])

s = int(input())
for _ in range(s):
    f()