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 10.
1
9
0
9
Solution
Addition of three adjacent numbers is 10.
1
0
9
1
0
9
1
0
9
1
0
9
1
0
9