2875 4
2875 2
2875 0
2874 3
2874 5
2874 2
2874 1
2873 2
2872 0
2872 1
2872 3
2871 4
2871 1
2870 1
2870 4
2870 3
2869 2
2869 0
2869 1
2868 3
2868 2
2868 12