1 to 10, inclusive
x..10: Malformed range
-20 to 20
-01234567890 to -999999999
-01234567890 to -999999999, inclusive
-01234567890 to -999999999, inclusive
-20...20x: Malformed range
1 to -20, inclusive
1....-20: Malformed range
1 to 200000000000000, inclusive
100000000 to 200000000000000
10: Malformed range
...200000000000000: Malformed range
1-1...200000000000000: Malformed range
x1..10: Malformed range
1..10y: Malformed range
123xx456: Malformed range
123456: Malformed range