-1001: 5
-1000: 5
-999: 4
-998: 4
-101: 4
-100: 4
-99: 3
-98: 3
-97: 3
...
-12: 3
-11: 3
-10: 3
-9: 2
-8: 2
-7: 2
-6: 2
-5: 2
-4: 2
-3: 2
-2: 2
-1: 2
0: 1
1: 1
2: 1
3: 1
4: 1
5: 1
6: 1
7: 1
8: 1
9: 1
10: 2
11: 2
12: 2
...
97: 2
98: 2
99: 2
100: 3
101: 3
998: 3
999: 3
1000: 4
1001: 4
123456789: 9