4168 0
4168 4
4167 5
4166 1
4166 2
4166 4
4165 4
4165 2
4164 2
4164 3
4163 3
4161 1
4161 2
4159 4
4158 1
4157 1
4157 5
4156 1
4153 3
4152 1
4150 3
4149 4