#include <bits/stdc++.h>
 
using namespace std;
 
 
int d[300005];
int main(){
    int t = 0;
    cin>>t;
    while(t--){
        int n, k, l;
        cin>>n>>k>>l;
 
        for (int i = 1; i <= n; ++i) {
            cin>>d[i];
        }
 
        int t1 = 0, t2 = 2*k-1;
        bool ok = true;
        for (int i = 1; i <= n; ++i) {
            if(l - d[i] >= k){
                t1 = 0, t2 = 2*k-1;
            }
 
            else{
 
                if(l < d[i]){
                    ok = false;break;
                }
                int tt1 = k - (l - d[i]);
                int tt2 = k + (l - d[i]);
 
                t1++, t2++;
 
                if(tt2 < t1 || tt1 > t2)  {
                    ok = false;
                    break;
                }
                t1 = max(tt1, t1);
                t2 = min(tt2, t2);
            }
        }
 
        cout<<(ok ? "Yes" : "No")<<endl;
    }
}