Q=int(input())

for _ in range(Q):
    N,T=map(int,input().split())

    if T%2==1:
        print("No")
        continue

    print("Yes")
    for i in range(1,N+1):
        for j in range(i+1,N+1):
            if i==1:
                print(i,j,T//2)
            else:
                print(i,j,0)