Hello, ailmasum!
Who assigned this problem?
It's truly silly . . .
Code:

 ♥ B
 ♥ o
 ♥ *
 ♥ *
  +     ♥ *   
 *
 * ♥
 * ♥
 * ♥
o ♥

can be (almost) any point on the perpendicular bisector of
Code:
* * *
* * B
* o
* * *
*
* A * *
* o *
* (0,14) *
* *
* *
* *
* * *
Consider the circle with center and radius
can be (almost) any point on the circle.
Code:
* * *
* *
* *
* *
* B *
* o(18,4) *
* * *
*
* * *
o *
A * *
* * *
Consider the circle with center and radius
can be (almost) any point on the circle.