At one time a monk had committed a number of offenses entailing suspension. He did not know the number of offenses or the number of days; he did not remember the number of offenses or the number of days; he was unsure of the number of offenses and the number of days. He told the monks about this, adding, “What should I do now?” They told the Buddha. “Well then, the Sangha should give that monk the purifying probation for those offenses.

And it should be given like this.