for _ in range(int(input())):
    
    N, M, K = map(int, input().split())
    
    x = M / (N - K + 1)
    
    for i in range(K):
        x *= (N - i) / M / (i + 1)
        
    if x > 1:
        print('Straight')
        
    else:
        print('Flush')