1
0 1 n
0 1 l
0 1 o
0 1 w
0 2 M
0 2 Z
0 1 d
0 1 i
1 1
0 1 u
0 1 f
0 2 Q
1 2
1 2
1 1
1 1
0 1 u
1 2
0 1 u
1 1
0 1 v
0 1 h
1 1
1 2
-1
