USING: kernel math math.primes project-euler.common sequences ;
IN: project-euler.035
-! https://projecteuler.net/index.php?section=problems&id=35
+! https://projecteuler.net/problem=35
! DESCRIPTION
! -----------
-! The number, 197, is called a circular prime because all rotations of the
-! digits: 197, 971, and 719, are themselves prime.
+! The number, 197, is called a circular prime because all
+! rotations of the digits: 197, 971, and 719, are themselves
+! prime.
! There are thirteen such primes below 100:
! 2, 3, 5, 7, 11, 13, 17, 31, 37, 71, 73, 79, and 97.