user
**Definition**
  
Let (p1,p2) and (p3,p4) be twin primes where p3 - p2 = 4.
  
Such primes called **Double Twin Primes**
  
   
**Example**
  
[5,7,11,13]
  
**Task**
  
Find and show here all Double Twin Primes under 1000.

See also
:   * OEIS:A007530
    * Wikipedia:Prime\_k-tuple
assistant
Cousin twin primes:

```
sub dt { $^p, $p+2, $p+6, $p+8 }
.&dt.say for (^1000).grep: { all .&dt».is-prime };

```

Output:

```
(5 7 11 13)
(11 13 17 19)
(101 103 107 109)
(191 193 197 199)
(821 823 827 829)
```