3001 1
3001 3
3000 2
3000 0
3000 1
2998 2
2998 1
2998 4
2997 1
2997 0
2997 2
2996 0
2996 1
2995 2
2995 0
2994 0
2993 1
2993 0
2993 2
2993 3