#include <iostream>
using namespace std;
const int N = 10;
int main(){
    int n;
    cin >> n;
    while(n--) {
        bool ans = true;
        int a, b=-1, c=-1;
        for(int i=1; i<=N; i++) {
            cin >> a;
            if(ans) {
                if(a > b)
                    b = a;
                else if(a > c)
                    c = a;
                else
                    ans = false;
       }
    }
    if(ans) puts("YES");
    else puts("NO");
}
}
