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On 1/16/12, Ravi Ranjan wrote:
> An ant moves on a regular grid of squares that are coloured either black or
> white.
> The ant is always oriented in one of the cardinal directions (left, right,
> up or down) and moves from square to adjacent square according to the
> following rules:
> - if it
An ant moves on a regular grid of squares that are coloured either black or
white.
The ant is always oriented in one of the cardinal directions (left, right,
up or down) and moves from square to adjacent square according to the
following rules:
- if it is on a black square, it flips the color of th
