Фильтр
Сначала дешевые
[{"ID":18356,"TREE":{"PROP_257":2,"PROP_261":246}},{"ID":18355,"TREE":{"PROP_257":2,"PROP_261":89}},{"ID":18354,"TREE":{"PROP_257":2,"PROP_261":90}}]
[{"ID":18709,"TREE":{"PROP_257":4,"PROP_261":89}},{"ID":18707,"TREE":{"PROP_257":4,"PROP_261":90}},{"ID":18706,"TREE":{"PROP_257":4,"PROP_261":243}}]