Can you design a new shape for the twenty-eight squares and
arrange the numbers in a logical way? What patterns do you
notice? In a square in which the houses are evenly spaced,
numbers 3 and 10 are opposite each other. What is the smallest
and what is the largest possible number of houses in the square?
Exactly 195 digits have been used to number the pages in a book.
How many pages does the book have?