Q=int(input())
for i in range(Q):
  N,T=map(int,input().split())
  if (T&1)==0:
    print('Yes')
    for j in range(N):
      for k in range(j+1,N):
        print(j+1,k+1,(T>>1)*(1 if j==0 else 0))
    continue
  if N==3:
    print('Yes')
    print(1,2,T)
    print(2,3,0)
    print(1,3,0)
    continue
  if T%N==0:
    print('Yes')
    for j in range(N):
      for k in range(j+1,N):
        print(j+1,k+1,1)
    continue
  print('No')