Quick clarification on Homework 6.
The Orc and Knight can move diagonally (NE, NW, SE, SW) along with vertically and horizontally (N, E, S, W).
The Knight can attack squares a-h
 a b c
 d K e
 f g h
The Orc can attack squares a-p
a . b . c
. d e f .
g h O i j
. k l m .
n . o . p
