Patch y2016 w9

week 9, on 2016-02-29 https://docs.google.com/document/d/1lM0DU57Xn9nCvwy8lidtYjwANgZY6rXeQ4u-9cvUsyA

https://docs.google.com/document/d/1BNbobvSn4OX4A9ujADB8JU6oC47yMkkRrCgeNZ68U_A