import sys
input = sys.stdin.readline

from collections import Counter

def fact(x):
    sq=round(x**(0.5))

    F=Counter()
    for i in range(2,sq+1):
        while x%i==0:
            F[i]+=1
            x//=i
    if x>1:
        F[x]+=1

    return F
                
        

t=int(input())
for tests in range(t):
    S,s=list(map(int,input().split()))

    if s%2==1:
        print(0)
        continue

    k=s//2

    if S*S%k!=0:
        print(0)
        continue

    u=S*S//k

    F=fact(S)
    kf=fact(k)

    for c in F:
        F[c]*=2

    for c in kf:
        F[c]-=kf[c]

    #print(F)

    LIST=[1]
    for f in F:
        LIST2=[]
        c=F[f]

        for l in LIST:
            for i in range(1,c+1):
                if l*f**i<k:
                    LIST2.append(l*f**i)
        LIST+=LIST2

    #print(LIST)
    SET=set(LIST)
    LIST.sort()

    ANS=[]

    for i in range(len(LIST)):
        x=LIST[i]
        for j in range(i,len(LIST)):
            y=LIST[j]

            z=k-x-y

            if x*y*z==u and z>=y and z in SET:
                ANS.append((x+y,y+z,z+x))

    print(len(ANS))
    for ans in ANS:
        print(*ans)