, 2020

Show that there are at least three prime numbers $p$ less than $200$ for which $p + 2$, $p + 6$, $p + 8$ and $p + 12$ are all prime. Show also that there is only one prime number $q$ for which $q + 2$, $q + 6$, $q + 8$, $q + 12$ and $q + 14$ are all prime.