

+1+13】/2
-1
+2


-1
+6
+15




-1


-1


-1


+1+13】/2
+9
+15
+6

+4+15
+1
+1
+6
+6
+2
+8
+5
+6
+9
+5
+6

+4+15


-1
+9
+15
+4
+4
+4
+4
-5


-1
+6
+6
+6
+15
+9
+15