def main():
    Q = int(input())
    for _ in range(Q):
        N,T = map(int,input().split())
        if N == 2:
            if T%2 == 1:
                print("No")
            else:
                ret = [1,2,T//2]
                print("Yes")
                print(*ret)
        elif N == 3:
            print("Yes")
            ret = [1,2,0]; print(*ret)
            ret = [2,3,0]; print(*ret)
            ret = [1,3,T]; print(*ret)
        elif N == 4:
            if T%2 == 1:
                print("No")
            else:
                print("Yes")
                for i in range(N):
                    for j in range(i+1,N):
                        if i == 0:
                            ret = [i+1,j+1,0]
                        else:
                            ret = [i+1,j+1,T//2]
                        print(*ret)
        elif T%N == 0:
            cost = T//N
            print("Yes")
            for i in range(N):
                for j in range(i+1,N):
                    ret = [i+1,j+1,cost]
                    print(*ret)
        else:
            print("No")

if __name__ == '__main__':
    main()