( - 7 ) - 9 + ( - 7 ) + ( - 3 ) = |
|   | ( - 2 ) + 6 - ( - 3 ) - ( - 3 ) = |
|
5 + ( - 2 ) + ( - 2 ) + 2 = |
|   | 3 - ( - 5 ) - 9 + ( - 4 ) = |
|
( - 1 ) - ( - 3 ) + ( - 4 ) - 9 = |
|   | |
( - 1 ) - 4 + 9 - ( - 4 ) = |
|   | ( - 8 ) - 4 + ( - 3 ) + ( - 3 ) = |
|
|   | 5 + ( - 3 ) + ( - 6 ) + ( - 7 ) = |
|
( - 7 ) + 4 - ( - 5 ) + 9 = |
|   | |
( - 9 ) + 9 + 1 - ( - 1 ) = |
|   | ( - 5 ) - ( - 5 ) + 7 + 5 = |
|
( - 8 ) - ( - 3 ) - 3 - ( - 7 ) = |
|   | ( - 5 ) - ( - 9 ) + ( - 5 ) - 3 = |
|