__Birthday Square__

Say , your birthday is on 8 June 1998 , then A=08

B=06

C=19

and D= 98

Substitute these values in the table and add them vertically , horizontally or diagonally , they add upto a same sum !

A | B | C | D |

C-1 | D+1 | A-1 | D+1 |

D+1 | C+1 | D-1 | A |

B | A-2 | B+2 | C |