In which of Kohlberg's stages of moral development do individuals follow rules but are also willing to change them if they do not serve the common good?

According to Lawrence Kohlberg, which level of moral reasoning is characterized by a focus on law, order, social duty, and maintaining a stable social system?

Arrange the stages of Kohlberg's theory of moral development in their correct developmental sequence: (K) Interpersonal Conformity / Good Interpersonal Relationships (L) Individualism and Exchange (M) Maintaining Social Order (N) Obedience and Punishment Orientation (O) Social Contract and Individual Rights