A Number Box is a 3x3 arrangement with a different number 19 in
each cell. For example, a Number Box could be:
1 2 6
9 4 8
7 5 3
Given the clues below, can you determine the composition of Number
Box 1?
 The number in the center of the top row minus the number in the center
of the bottom row equals 5.
 The three numbers in the rightmost column of the box add to 8.
 The numbers in the four corners of Number Box 1 sum to 23.
 The number in the left cell of the top row minus the number in the
right cell of the bottom row equals 2.
 The number in the center cell of the box isn't 6.


