[Link] https://codeforces.com/contest/1638/problem/B
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import java.util.*;
import java.io.*;
public class Main {
static BufferedReader br;
static StringBuilder sb = new StringBuilder();
public static void main(String[] args) throws IOException {
br = new BufferedReader(new InputStreamReader(System.in));
StringBuilder sb = new StringBuilder();
int test = toi(br.readLine());
int[] arr;
loop:
for(int iter = 0; iter < test; iter++) {
int n = toi(br.readLine());
arr = getArr();
// ArrayList<Integer> sorted = new ArrayList<>();
int oddMax = 0, evenMax = 0;
for(int i = 0; i < n; i++) {
int num = arr[i];
if((num & 1) == 0) {
if(evenMax > num) {
sb.append("No\n");
continue loop;
}
evenMax = Math.max(evenMax, num);
} else {
if(oddMax > num) {
sb.append("No\n");
continue loop;
}
oddMax = Math.max(oddMax, num);
}
}
sb.append("Yes\n");
}
print(sb);
}
static int toi(String s) { return Integer.parseInt(s); }
static long tol(String s) { return Long.parseLong(s); }
static String[] getLine() throws IOException { return br.readLine().split(" "); }
static int[] getArr() throws IOException { return Arrays.stream(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray(); }
static <T> void print(T s) { System.out.print(s); }
static <T> void println(T s) { System.out.println(s); }
}