import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.List;
import java.util.NoSuchElementException;

public class Main {
    static MyPrintWriter pw = MyPrintWriter.getInstance();

    static FastScanner sc = FastScanner.getInstance();

    public static void main(String[] args) throws IOException {
        Thread.setDefaultUncaughtExceptionHandler((t, e) -> System.exit(1));
        new Main().run();
        pw.flush();
    }

    void run() {
        int T = sc.nextInt();
        for (int TEST = 0; TEST < T; TEST++) {
            int N = sc.nextInt();
            var H = sc.nextInts(N);
            int cnt = 0;
            for (int i = 0; (i + 2) < N; i++) {
                if ((H[i] < H[i + 1]) != (H[i + 1] < H[i + 2])) {
                    ++cnt;
                }
            }
            if ((cnt == 3) && (H[0] > H[1])) {
                pw.printlnYesNo(true);
            } else {
                pw.printlnYesNo(false);
            }
        }
    }
}

class FastScanner {
    private static FastScanner instance = null;

    private final InputStream in = System.in;

    private final byte[] buffer = new byte[1 << 16];

    private int ptr = 0;

    private int buflen = 0;

    private FastScanner() {
    }

    public static FastScanner getInstance() {
        if (instance == null) {
            instance = new FastScanner();
        }
        return instance;
    }

    private boolean hasNextByte() {
        if (ptr < buflen) {
            return true;
        }
        ptr = 0;
        try {
            buflen = in.read(buffer);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return buflen > 0;
    }

    private int readByte() {
        if (hasNextByte()) {
            return buffer[ptr++];
        } else {
            return -1;
        }
    }

    private boolean isPrintableChar(int c) {
        return (33 <= c) && (c <= 126);
    }

    public boolean hasNext() {
        while (hasNextByte() && (!isPrintableChar(buffer[ptr]))) {
            ptr++;
        } 
        return hasNextByte();
    }

    public long nextLong() {
        if (!hasNext()) {
            throw new NoSuchElementException();
        }
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        while ((b >= '0') && (b <= '9')) {
            // n = n * 10 + (b - '0');
            n = ((n << 1) + (n << 3)) + (b - '0');
            b = readByte();
        } 
        return minus ? -n : n;
    }

    public int nextInt() {
        return ((int) (nextLong()));
    }

    public int[] nextInts(int n) {
        int[] a = new int[n];
        for (int i = 0; i < n; ++i) {
            a[i] = nextInt();
        }
        return a;
    }
}

class MyPrintWriter extends PrintWriter {
    private static MyPrintWriter instance = null;

    private MyPrintWriter() {
        super(System.out);
    }

    public static MyPrintWriter getInstance() {
        if (instance == null) {
            instance = new MyPrintWriter();
        }
        return instance;
    }

    public void printlnYesNo(boolean flag) {
        println(flag ? "Yes" : "No");
    }
}


// --- Original Code ---
// 
// 
// import java.io.IOException;
// import java.util.ArrayList;
// import java.util.Arrays;
// 
// import library.tools.FastScanner;
// import library.tools.MergeFiles;
// import library.tools.MyPrintWriter;
// import library.util.ArrayUtils;
// import library.util.Fp;
// import library.util.collections.LongArrayList;
// import library.util.graph.ImplicitDigraph;
// 
// public class Main {
// 	static MyPrintWriter pw = MyPrintWriter.getInstance();
// 	static FastScanner sc = FastScanner.getInstance();
// 
// 	public static void main(String[] args) throws IOException {
// 		new Main().run();
// 		pw.flush();
// 		MergeFiles.export();
// 	}
// 	
// 
// 	void run() {
// 		int T=sc.nextInt();
// 		for (int TEST = 0; TEST < T; TEST++) {
// 			int N=sc.nextInt();
// 			var H=sc.nextInts(N);
// 			int cnt=0;
// 			for (int i = 0; i+2 < N; i++) {
// 				if(H[i]<H[i+1]!=H[i+1]<H[i+2])++cnt;
// 			}
// 			if(cnt==3 && H[0] > H[1]) {
// 				pw.printlnYesNo(true);
// 			} else {
// 				pw.printlnYesNo(false);
// 			}
// 		}
// 	}
//     
// 	void tr(Object... objects) {
// 		System.out.println(Arrays.deepToString(objects));
// 	}
// }
//