I am sure there are other more subtle ways to go about it but this seems about as fast as I can make it for a general brute-force solution (0.11s)
This one seems to work for the large test case, too, although it is not a general solution [for size(p,1)>100 it only tests corner points].
Remove all the consonants
Back to basics 8 - Matrix Diagonals
GJam 2013 China Event: Happy Teams
Another colon problem
Area of an equilateral triangle
Graceful Graph: Wichmann Rulers
Crypto Addition - v01
Battleship_000 : (TM) Classic Game - Easy computer bot
Create Circular Perfect Square Sequence
Chezz_020 Pawn Attack and Slaying King
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