So I have a file, it's like
所以我有一个文件,就像
2587, 1, 104, 971;
2586, 1, 104, 971;
2585, 1, 104, 971;
2584, 1, 104, 971;
2584, 1, 104, 971;
2584, 1, 104, 971;
2584, 1, 104, 971;
2584, 1, 104, 971;
2583, 1, 104, 971;
2582, 1, 104, 971;
2582, 1, 104, 971;
258