from collections import deque

def solve():
    n = int(input())
    p = list(map(int, input().split()))
    q = deque([p[0]])
    inversions = 0
    for i in range(1, n):
        left = q[0]
        right = q[-1]
        if p[i] < left and p[i] < right:
            if left < right:
                q.appendleft(p[i])
                inversions += i - len([x for x in q if x < p[i]])
            else:
                q.append(p[i])
                inversions += len([x for x in q if x > p[i]])
        elif p[i] > left and p[i] > right:
            if left > right:
                q.appendleft(p[i])
                inversions += i - len([x for x in q if x < p[i]])
            else:
                q.append(p[i])
                inversions += len([x for x in q if x > p[i]])
        elif p[i] < left:
            q.appendleft(p[i])
            inversions += i - len([x for x in q if x < p[i]])
        else:
            q.append(p[i])
            inversions += len([x for x in q if x > p[i]])
    print(inversions)
    print(' '.join(map(str, q)))

T = int(input())
for _ in range(T):
    solve()