The particulate diagram below represents a mixture of \(\text{X}_2(g)\), \(\text{Y}_2(g)\), and \(\text{XY}(g)\) in a rigid \(1.0 \text{ L}\) container at a particular instant at \(500 \text{ K}\).

\[ \text{X}_2(g) + \text{Y}_2(g) \rightleftharpoons 2\,\text{XY}(g) \quad K_c = 4.0 \text{ at } 500 \text{ K} \]

Based on the diagram, which of the following best explains whether the system is at equilibrium, and if not, in which direction the reaction will proceed to achieve equilibrium?