#pragma GCC optimize("O3")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>

#define fast ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define files(name) name!=""?freopen(name".in","r",stdin),freopen(name".out","w",stdout):0
#define all(a) a.begin(),a.end()
#define len(a) (int)(a.size())
#define elif else if
#define mp make_pair
#define pb push_back
#define fir first
#define sec second

using namespace std;
#define int long long

typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef long double ld;
typedef long long ll;

const int arr=2e5+10;
const int ar=2e3+10;
const ld pi=acos(-1);
const ld eps=1e-10;
const ll md=1e9+7;

///---program start---///

int a[arr];
int p[arr];

void solve()
{
    int n,k;
    cin>>n>>k;
    for (int i=1;i<=n;i++){
        cin>>a[i];
    }
    for (int i=1;i<=n;i++){
        p[i]=i;
    }

    int ans=0;
    do{
        int cnt=0;
        for (int i=1;i<=n;i++){
            if (a[i]&&a[i]!=p[i]){
                cnt-=100;
            }
        }
        for (int i=2;i<=n;i++){
            if (p[i]>p[i-1]){
                cnt++;
            }
        }
        ans+=(cnt==k);
    }
    while (next_permutation(p+1,p+n+1));

    cout<<ans<<"\n";
}

main()
{
    #ifdef I_love_Maria_Ivanova
        files("barik");
        freopen("debug.txt","w",stderr);
    #endif

    int test;
    cin>>test;
    while (test--){
        solve();
    }
}