Dr. Doig's ODDGRID

from Woobius, originally released 28th February, 2012

Renowned puzzlemeister, Clive Doig, has created a colourful collection of “Classic Brainteasers”. Using the well-known logic of ‘Find the Odd one Out’, each Puzzle constitutes a GRID of sixteen squares of which one or more squares are Odd Ones Out.

Simple! Or not so simple?

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