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- 2 = 0,1
-3 = -1,1
-4 =-2,2
-5= 1, -1
-6= 1,2
-7= -1,-1
2. (0,1)
3. (1,1)
4. (2,2)
5. (1,-1)
6. (1,2)
7.(-1,-1)