/** * Do not change the method or class * declarations. */

public class Main{

static void printLine(int width){
    for (int i = 0; i< width; i ++){
        System.out.print("*");
    }

    System.out.println();
}

static void printLineWithSpaces(int width, int spaces){
    for (int i = 0; i< spaces; i ++){
        System.out.print(" ");
    }

    for (int i = 0; i< width; i ++){
        System.out.print("*");
    }

    System.out.println();
}

static void printTriangleA(int height){
    if (height <= 0){
        return;
    }

    printLine(height);
    printTriangleA(height-1);
}

static void printTriangleB(int height){
    if (height <= 0){
        return;
    }

    printTriangleB(height-1);
    printLine(height);
}

static void printTriangleC(int base,int height){
    if (height <= 0){
        return;
    }

    printLineWithSpaces(height, (base - height)/2);
    printTriangleC(base, height-2);
}

static void printTriangleD(int base,int height){
    if (height <= 0){
        return;
    }

    printTriangleD(base, height-2);
    printLineWithSpaces(height, (base - height)/2);
}

/*
 * Complete the function to print a rhombus
 * Use the previous functions
 */
static void printRhombus(int base){
    printTriangleD(7,7);
    printTriangleC(7,7);
}


public static void main(String[] args){
    printTriangleA(4);
    printTriangleB(4);
    printTriangleC(7,7);
    printTriangleD(7,7);
    printRhombus(7);
}
}