def check(l,p):
	t=len(l)
	j=p[1]-p[0]
	for x in range(t):
		p1=l[x]
		j1=p1[1]-p1[0]
		if j1>j:
			pass
		elif j1<j:
			l.insert(x,p)
			return l
		elif j1==j:
			if p1[0]<p[0]:
				pass
			else:
				l.insert(x,p)
				return l
	l.append(p)
	return l
for _ in range(int(input())):
	n=int(input())
	l1=[0]*n
	l=[(0,n-1)]
	for x in range(1,n+1):
		t=l.pop(0)
		ind=(t[1]+t[0])//2
		l1[ind]=x
		if t[0]<ind:check(l,(t[0],ind-1))
		if t[1]>ind:check(l,(ind+1,t[1]))
	print(*l1)
 

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