Input consists of several natural numbers between 1 and 9.
Output
For every n,
print a square of size n × n full of n’s.
Separate two squares with an empty line.
About statements
The official statement of a problem is always the one
in the PDF document. The HTML version of the statement
is also given to help you, but may contain some content
that is not well displayed. In case of doubt, always use the PDF.