for _ in range(int(input())):
    n, t = map(int, input().split())
    if t % 2: print("No"); continue
    print("Yes")
    for i in range(1, n + 1):
        if i == 2:
            for j in range(i + 1, n + 1):
                print(i, j, t // 2)
        else:
            for j in range(i + 1, n + 1):
                print(i, j, 0)