Starting with the A moving one letter at a time vertically, horizontally, or diagonally, how many different paths spell ARCH?
A
RRR
CCCCC
HHHHHHHH
A can reach 3 R's
R can reach 3 C's
C can reach 3 H's
So there are 3 • 3 • 3 = 27 possible paths
.
+818 
