import std.conv, std.functional, std.range, std.stdio, std.string;
import std.algorithm, std.array, std.bigint, std.bitmanip, std.complex, std.container, std.math, std.mathspecial, std.numeric, std.regex, std.typecons;
import core.bitop;

class EOFException : Throwable { this() { super("EOF"); } }
string[] tokens;
string readToken() { for (; tokens.empty; ) { if (stdin.eof) { throw new EOFException; } tokens = readln.split; } auto token = tokens.front; tokens.popFront; return token; }
int readInt() { return readToken.to!int; }
long readLong() { return readToken.to!long; }

string COLOR(string s = "") { return "\x1b[" ~ s ~ "m"; }

bool chmin(T)(ref T t, in T f) { if (t > f) { t = f; return true; } else { return false; } }
bool chmax(T)(ref T t, in T f) { if (t < f) { t = f; return true; } else { return false; } }

int binarySearch(alias pred, T)(in T[] as) { int lo = -1, hi = cast(int)(as.length); for (; lo + 1 < hi; ) { const mid = (lo + hi) >> 1; (unaryFun!pred(as[mid]) ? hi : lo) = mid; } return hi; }
int lowerBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a >= val)); }
int upperBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a > val)); }


void bAdd(T)(T[] bit, int pos, T val)
in {
  assert(0 <= pos && pos < bit.length, "bAdd: 0 <= pos < |bit| must hold");
}
do {
  for (int x = pos; x < bit.length; x |= x + 1) {
    bit[x] += val;
  }
}

// sum of [0, pos)
T bSum(T)(T[] bit, int pos)
in {
  assert(0 <= pos && pos <= bit.length, "bSum: 0 <= pos <= |bit| must hold");
}
do {
  T ret = 0;
  for (int x = pos - 1; x >= 0; x = (x & (x + 1)) - 1) {
    ret += bit[x];
  }
  return ret;
}


void main() {
  try {
    for (; ; ) {
      const numCases = readInt;
      foreach (caseId; 0 .. numCases) {
        const N = readInt;
        auto P = new int[N];
        foreach (i; 0 .. N) {
          P[i] = readInt;
        }
        
        auto fs = new int[N];
        auto bit = new int[N + 1];
        foreach (i; 0 .. N) {
          fs[i] = bit.bSum(P[i]);
          bit.bAdd(P[i], +1);
        }
        debug {
          writeln("fs = ", fs);
        }
        
        long cost;
        auto ans = new int[2 * N];
        int l = N, r = N;
        ans[N] = P[0];
        foreach (i; 1 .. N) {
          cost += min(fs[i], i - fs[i]);
          if (fs[i] < i - fs[i]) {
            ans[--l] = P[i];
          } else if (fs[i] > i - fs[i]) {
            ans[++r] = P[i];
          } else {
            ((ans[l] > P[i]) ? ans[--l] : ans[++r]) = P[i];
          }
        }
        
        writeln(cost);
        foreach (i; l .. r + 1) {
          if (i > l) write(" ");
          write(ans[i]);
        }
        writeln;
      }
    }
  } catch (EOFException e) {
  }
}