( [ ( specifier: "world.tree.mangroves.1", center: (19, 18, 8) ), ( specifier: "world.tree.mangroves.2", center: (16, 17, 7) ), ( specifier: "world.tree.mangroves.3", center: (18, 19, 8) ), ( specifier: "world.tree.mangroves.4", center: (19, 18, 8) ), ( specifier: "world.tree.mangroves.5", center: (19, 20, 9) ), ( specifier: "world.tree.mangroves.6", center: (18, 21, 9) ), ( specifier: "world.tree.mangroves.7", center: (20, 17, 9) ), ( specifier: "world.tree.mangroves.8", center: (18, 19, 9) ), ] )