0
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
2
-3
4
-6
9
-12
16
-20
26
-34
43
-54
69
-86
108
-128
114
114
-128
108
-86
69
-54
43
-34
26
-20
16
-12
9
-6
4
-3
2
-1
0
0
0
0
0
0
0
0
0
0
0
0
0
0