- 1.
-
2.
+1++++++++++++++++++++++++++
-
3.
+1++++++++++++++++++++++
-
4.
+1 -1+++++++++++++++++++++++++++++++++++++++
-
5.
+1 -1++++++++++++++++++++++++++++++++++++++++++++++
-
6.
+1 -1++++++++++++++++++++++++++++++++++++
-
7.
+1 -1+++++++++++++++++++++++++++++++++++++++++++++++++
-
8.
+1++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-
9.
+1+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-
10.
+1++++++++++++++++++++++++++++++++++++++++++++
-
11.
+1++++++++++++++++++++++++++++++++++++++++++++++
-
12.
+1+++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-
13.
+1++++++++++++++++++++++++++++++++++++++++++++++++++++++
-
14.
+1+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-
15.
+1+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-
16.
+1++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-
17.
+1 -1+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-
18.
-1++++++++++++++++++++++++++++++++++++++++++
-
19.
-2++++++++++++++++++++++++++++++++++++++++++++++++++
-
20.
-3+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++