2850 0
2850 3
2849 10
2849 2
2849 3
2848 4
2848 1
2848 0
2846 1
2846 2
2845 0
2844 1
2844 0
2843 0
2843 1
2842 1
2840 2
2840 3
2839 0
2838 1
2838 2
2837 0
2837 4