#include<cstdio>
#include<iostream>
#include<cstring>
#include<queue>
#define LL long long
using namespace std;
inline LL read()
{
    LL x=0,f=1;char ch=getchar();
    while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
    while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();}
    return x*f;
}
int n,m,k,cnt,sum;
queue<int>q;
LL ans;
inline void work()
{
    n=read();m=read();k=read();ans=0;cnt=0;sum=0;
    while (!q.empty())q.pop();
    for (int i=1;i<=n;i++)
    {
        int x=read();
        if (x>=m)x=1;else x=0;
        q.push(x);cnt++;if (x)sum++;
        if(x&&sum==k)
        {
            while (q.front()==0){cnt--;q.pop();}
            cnt--;q.pop();sum--;
        }
        ans+=i-cnt;
    }
    printf("%I64d\n",ans);
}
int main()
{
    int T=read();
    while (T--)work();
}