A square has centre (3,4)(3,4)(3,4) and one corner at (1,5)(1,5)(1,5). Another corner is at A(1,3)(1,3)(1,3)B(5,5)(5,5)(5,5)C(2,2)(2,2)(2,2)D(5,2)(5,2)(5,2)E(4,2)(4,2)(4,2)