A nice sample of code that will render a spiral on your terminal screen. This could be useful indeed.

#include <sstream>
#include <iostream>
#include <string>
 
std::string rle =
"32 2@14 1n16 11@9 2@10 1n13 3@13 3@8 1@7 1n10 2@21 2@7 1@5 1n7 2@27 1@6 1@4 "
"1n6 1@10 10@10 2@5 2@2 1n4 2@7 4@9 4@9 1@5 1@2 1n3 2@6 3@15 3@8 1@5 1@1 1n3 "
"1@6 2@18 3@7 2@5 1@1n2 1@6 2@20 3@7 1@5 1@1n2 1@5 2@21 3@7 1@5 1@1n1 2@5 2@2"
"1 3@7 1@5 1@1n1 2@5 2@11 3@6 3@8 1@5 1@1n2 1@5 2@11 11@8 2@5 1@1n2 1@6 2@11 "
"8@9 2@5 1@1 1n3 1@6 2@26 2@5 2@1 1n3 2@6 2@24 2@5 2@2 1n4 2@6 3@20 2@6 2@3 1"
"n6 1@8 3@14 3@7 1@5 1n7 2@9 13@9 2@6 1n9 2@27 1@9 1n12 3@19 3@11 1n16 5@7 4@"
"16 1n22 5@21 1n";
 
int main()
{
	std::stringstream ss(rle);
	while (!ss.eof())
	{
		int n = 0;
		while (ss.peek() >= '0' && ss.peek() <= '9')
		n = n * 10 + ss.get() - '0';
		char c = ss.get();
		while (0 < n--)
			std::cout << (c != 'n' ? c : 'n');
		}
}