#include <iostream>

void print_line(int val)
{
	for(int i = 0; i < val; ++i)
	{
		std::cout << " ";
	}
	std::cout << "This was written by call number " << val << std::endl;
}

void recursive_call(int call)
{
	print_line(call);
	
	if (call < 4)
	{
		recursive_call(call + 1);
	}
	
	print_line(call);
}


int main() 
{
	recursive_call(1);
	return 0;
}