category tree has 17 models

0, m1040	1, m1041	2, m1042	3, m1043
4, m1044	5, m1045	6, m1046	7, m1047
8, m1048	9, m1049	10, m1050	11, m1051
12, m1052	13, m1053	14, m1054	15, m1055
16, m1056