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1. (-1, 2)
2. (2, -2)
3. (-1, 3)
4. (3, 3)
1. (2, -5)
2. (2, -1)
3. (5, -3)
4. (2, 3)
1. (-2, 3)
2. (3, -2)
3. (2, 3)
4. (2, -3)
1. (1, -1)
2. (2, 2)
3. (3, 3)
4. (-1, 1)
1. (-2, 1)
2. (0, 1)
3. (4, 4)
4. (2, 0)
1. (3, 0)
2. (3, 1)
3. (5, 1)
4. (2, -2)
1. (-2, 4)
2. (-2, 3)
3. (-3, 1)
4. (-3, 3)
1. (1, 2)
2. (1, -3)
3. (4, 0)
4. (-5, -5)
1. (-5, 4)
2. (-5, -4)
3. (-1, 2)
4. (5, -3)
1. (-1, 2)
2. (2, -2)
3. (-1, 3)
4. (3, 3)