def main():
sv = Sieve()
count = 0
for p in sv.prime_range(2, 1000000):
if all(sv.is_prime(i) for i in number_rotations(p)):
count += 1
print(count)
def main():
s = Sieve()
largest = 0
largets_value = 0
for p in s.prime_range(7, 1000):
size = tenlog(p)
if size > largest:
largest = size
largest_value = p
print(largest_value)
