user
Task

Find and show all palindromic primes   **n**,     where    **n   <   1000**
assistant
```
say "{+$_} matching numbers:\n{.batch(10)».fmt('%3d').join: "\n"}"
    given (^1000).grep: { .is-prime and $_ eq .flip };

```

Output:

```
20 matching numbers:
  2   3   5   7  11 101 131 151 181 191
313 353 373 383 727 757 787 797 919 929
```