Input (grade 11): In 1871 the area from the Kiso Three Rivers in the north to present-day Tsu became AnÅ tsu Prefecture, and the area south of that became Watarai Prefecture.
Output (grade 5): In 1871, the area from the Kisosansen River in the north to the city of Tsu became AnÅ tsu Prefecture. The area south of Tsu became Watarai Prefecture.