An ant is at a crossroads of a square grid of highways spaced 1 meter apart.
The ant can walk 1 meter in 15 seconds along a highway, but off-road it can only travel half as fast.
Find the area of the region composed of all points the ant can reach in at most 30 seconds.
Note: an ant highway is just a line with no thickness.
476I2 P54274Y 102 38918 02 "3I8G 9F 59C3
& 5977 "
How does the above sentence relate
to to-day's date?
Finding the only zero-less answer to the alphametic
might be of help.