data.njson

{"lower": 0, "upper": 1000}
{"lower": 1000, "upper": 2000}
{"lower": 2000, "upper": 3000}
{"lower": 3000, "upper": 4000}
{"lower": 4000, "upper": 5000}
{"lower": 5000, "upper": 6000}
{"lower": 6000, "upper": 7000}
{"lower": 7000, "upper": 8000}
{"lower": 9000, "upper": 10000}
{"lower": 10000, "upper": 11000}
{"lower": 11000, "upper": 12000}
{"lower": 12000, "upper": 13000}
{"lower": 13000, "upper": 14000}
{"lower": 14000, "upper": 15000}
{"lower": 15000, "upper": 16000}
{"lower": 16000, "upper": 17000}
{"lower": 17000, "upper": 18000}
{"lower": 18000, "upper": 19000}
{"lower": 19000, "upper": 20000}