updated unit tests

alu/data.in

-0 10 10
-0 -11 11
-0 -12 -12
-0 13 -13
 1 10 10
 1 -11 11
 1 -12 -12
 1 13 -13
 2 10 10
-2 -11 11
+2 11 -11
 2 -12 -12
 2 13 -13
 3 10 10
@@ -22,7 +18,11 @@
 5 -11 99
 5 -12 99
 5 13 99
-6 10 99
-6 -11 99
-6 -12 99
-6 13 99
\ No newline at end of file
+6 1 20
+6 2 22
+6 3 24
+6 4 28
+7 9 8
+7 10 8
+7 11 1
+7 13 12
\ No newline at end of file