import sys MOD = 10**9 + 7 def mul(a, b): return ((a % MOD) * (b % MOD)) % MOD def div(a, b): return mul(a, pow(b, MOD-2, MOD)) def div2(a, b): return mul(a, modinv(b)) def modinv(a): b, u, v = MOD, 1, 0 while b: t = a//b a, u = a-t*b, u-t*v a, b, u, v = b, a, v, u u %= MOD return u def frac(limit): frac = [1]*limit for i in range(2,limit): frac[i] = i * frac[i-1]%MOD fraci = [None]*limit fraci[-1] = pow(frac[-1], MOD -2, MOD) for i in range(-2, -limit-1, -1): fraci[i] = fraci[i+1] * (limit + i + 1) % MOD return frac, fraci frac, fraci = frac(1341398) def cmb(a, b): if not a >= b >= 0: return 0 return frac[a]*fraci[b]*fraci[a-b]%MOD T, = map(int, input().split()) for _ in range(T): N, M, X = map(int, input().split()) a = pow(M-1, N, MOD) b = pow(M+1, N, MOD) if (X+N)%2: print(div2((b-a),2)) else: print(div2((a+b),2))