Hello, 
We are looking for individuals to join a team dedicated to a confidential project. To submit your application, you must first solve the following logical puzzle. Your answer will be a four-digit code. Include this code together with a way to contact you. Only applications with the correct code will be considered. Puzzle: The access code is a four-digit number ABCD with the following properties: 

1) All four digits A, B, C and D are different, and A ≠ 0. 
2) The number ABCD is a prime number. 
3) The number obtained by reversing the digits, DCBA, is also prime. 
4) The sum of the digits is 20: A + B + C + D = 20. 
5) The two middle digits, BC, form a two-digit prime number. 
6) The first and last digits, AD, read together as a two-digit number, also form a prime number. 
What is the code ABCD? 

Selected candidates will receive further information soon. 
Best regards, The Sophia Team Project