import static org.junit.jupiter.api.Assertions.*;
import org.junit.jupiter.api.Test;
import java.util.List;
import java.util.Arrays;
import java.util.ArrayList;
public class Main {
    //Program start
    
    //Program end

    @Test
public void test1() {
    assertEquals(11, diagonalPrime(new ArrayList<>(Arrays.asList(new ArrayList<>(Arrays.asList(1,2,3)),new ArrayList<>(Arrays.asList(5,6,7)),new ArrayList<>(Arrays.asList(9,10,11))))));
}
@Test
public void test2() {
    assertEquals(17, diagonalPrime(new ArrayList<>(Arrays.asList(new ArrayList<>(Arrays.asList(1,2,3)),new ArrayList<>(Arrays.asList(5,17,7)),new ArrayList<>(Arrays.asList(9,11,10))))));
}

}