1
A (1 , 4)
B (1, -5)
C (-2, 4)
D (1, 6)
2
A (2, -2)
B (2, -4)
C (2, -3)
D (-2, -4)
3
A (-2, -2)
B (-2, 1)
C (-2, -1)
D (2, 10)
4
A (5, 2)
B (5, -3)
C (5, 0)
D (5, -2)
5
A (3, -2)
B (3, 3)
C (3, 0)
D (3, 1)
6
A (-1, 3)
B (-1, 5)
C (-1, -3)
D (5, 3)
7
A (-2, 5)
B (-2, 4)
C (-2, 7)
D (2, -4)
8
A (5 , 0)
B (5, 2)
C (0, 5)
D (2, 3)
9
A (-2, -5)
B (3, 6)
D (-2, -6)
10
A (0, 6)
B (0, -5)
C (0, -4)
D (2, 7)
11
B (3,1)
D (2, -1)
12
A (4, 4)
B (4, 3)
D (4, 0)
13
A (72, 28)
B (70, 30)
C (65, 35)
D (56, 44)