-1 | 4 0 -3 0 1 0 5 | -4 4 -1 1 -2 2 |______________________________________ 4 -4 1 -1 2 -2 7
-1 | 4 0 -3 0 1 0 5 | -4 4 -1 1 -2 2 ------------------------------------ 4 -4 1 -1 2 -2 7