Instructions:
Fill numbers in the table (to windows of the neighbors in the apartment block) so that the sum of three consecutive numbers in a row and the column was always equal to the selected number.
Example
Addition of three adjacent numbers is 11.
9
0
2
1
Solution
Addition of three adjacent numbers is 11.
0
10
1
0
10
9
0
2
9
0
2
1
8
2
1