Good day
I have a problem, I need to solve a "magic rectangle" similar tu "magic square" where the sum of upper and lower row its equal to 22, and the first and last column are 22 too. I can choose {2,3,4,5,6,7,8,9,10,11}
The rectangle have 2 space blocked, the central ones.
_| _| _| _|
_| X| X| _|
_| _| _| _|
Please help me
Here is one solution:
\begin{array}{|c|c|c|} \hline 6&3&2&11\\ \hline 7&X&X&10\\ \hline 9&4&8&1\\ \hline \end{array}