T = int(input())
for i in range(T):
    N, M, K = map(int, input().split())
    a = K%M
    cnt = 1
    while cnt <= N:
        if a >= (M-cnt):
            a %= (M-cnt)
            cnt += 1
        else:
            if a < (M-N):
                print(a)
                cnt = N+1
            else:
                print(0)
                cnt = N+1