Ответ: Набор координат точек: (12; 2), (5; 5), (2; 5), (-3; 7), (-1; 4.5), (-6; 4), (-11; -1), (-7; 5), (-1; 7), (3; 8), (5; 11), (4; -7), (6; -5), (3; 6), (2; 6), (-1; 5), (-6; 2), (0; -1), (-1; -3), (2; -2), (3; -1), (5; -1), (4; 0), (8; 0), (9; 1), (12; 2), (7.5; 3).