Q1. THE FIRST ATTENDANCE QUESTION WAS:
How many walks in manhattan lattice are there

A1. MY ANSWER TO THE FIRST ATTENDANCE QUESTION IS:
from (1,0) to (7,6) there are 924



Q2. THE  SECOND ATTENDANCE QUESTION WAS:
How many ways to arrange my ruid

A2. MY ANSWER TO THE  SECOND ATTENDANCE QUESTION IS:
17365049272771200