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(1, maxRemovals("abbaa", "aba", new ArrayList<>(Arrays.asList(0,1,2))));
}
@Test
public void test2() {
    assertEquals(2, maxRemovals("bcda", "d", new ArrayList<>(Arrays.asList(0,3))));
}
@Test
public void test3() {
    assertEquals(0, maxRemovals("dda", "dda", new ArrayList<>(Arrays.asList(0,1,2))));
}
@Test
public void test4() {
    assertEquals(2, maxRemovals(null, null, new ArrayList<>(Arrays.asList(0,2,3,4))));
}

}