#!/bin/python3
def fact(n):
    if n == 0:
        return 1
    else:
        return n * fact(n-1)

    
    
import sys


q = int(input().strip())
for a0 in range(q):
    len,c = input().strip().split(' ')
    len,c = [int(len),int(c)]
    boo = 0
    tem = 0
    for i in range(1,len):
        if(fact(i) == c):
            tem = i
            boo = 1
            break
    if(boo == 1):
        for j in range(tem+1):
            print(len-j,end=" ")
        for j in range(len-tem-2):
            print(len-j+1,end = " ")
        j = len - tem -2
        print(len-j+1,end = " ")
    if(len==1 and c==0):
        print(1)
    elif(c>fact(len-1)):
        print(-1)