Instances of the last division, where the conflict is between the pleasure or advantage of others and a disproportionate injury to oneself, are of comparatively infrequent occurrence.

Not a crooked little juniper bush was allowed to intrude its plebeian sprawl among the dignified pines and the gracefully infrequent bushes.

Thus, in the case of setting 1, after the first trial mistakes became relatively infrequent, whereas in setting 6, which involved the same number of doors, mistakes continued to be the rule until nearly a thousand trials had been given.