{
	n = 0;
	for (singledigit=1,9,
		if (isprime(singledigit),
			n = n+1;
			print(n" "singledigit)
		)
	);
	for (len=2,100,
		for (firstdigit=1,9,
			for (seconddigit=0,9,
				reason=seconddigit-firstdigit;
				candidate = sum(i=1,len,10^(len-i)*((firstdigit+(i-1)*reason)%10));
				if (isprime(candidate),
					n = n+1;
					print(n" "candidate)
				)
			)
		)
	)
}