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(new ArrayList<>(Arrays.asList(6,2)), longestSpecialPath(new ArrayList<>(Arrays.asList(new ArrayList<>(Arrays.asList(0,1,2)),new ArrayList<>(Arrays.asList(1,2,3)),new ArrayList<>(Arrays.asList(1,3,5)),new ArrayList<>(Arrays.asList(1,4,4)),new ArrayList<>(Arrays.asList(2,5,6)))), new ArrayList<>(Arrays.asList(2,1,2,1,3,1))));
}
@Test
public void test2() {
    assertEquals(new ArrayList<>(Arrays.asList(0,1)), longestSpecialPath(new ArrayList<>(Arrays.asList(new ArrayList<>(Arrays.asList(1,0,8)))), new ArrayList<>(Arrays.asList(2,2))));
}

}