from math import gcd
import sys
sys.setrecursionlimit(10000000)
input = sys.stdin.readline
for _ in range(int(input())):
    a, b = map(int, input().split())
    res = []
    while a != b:
        k = gcd(a, b)
        res.append(k)
        a += k
    print(" ".join(map(str, res)))