A mechanical system for sequentially securing skin tissue preferably utilizes a tissue manipulator apparatus to approximate a portion of an interior surface of each of two pieces of living dermis tissue along a vertical interface below an exterior surface such that discrete target tissue zones are defined within the two pieces of living dermis tissue. A subscriber identification token 230 provides authentication support by generating a signature 370 based upon a key that is held secret from a mobile unit 220. This motion vector has a first previous component value ) in the first direction. The method and system also include providing at least one oxide layer after the oxidation buffer layer is provided. This invention thus relates to the seeds of soybean variety XB18C06, to the plants of soybean XB18C06 to plant parts of soybean variety XB18C06 and to methods for producing a soybean plant produced by crossing plants of the soybean variety XB18C06 with another soybean plant, using XB18C06 as either the male or the female parent.