0 -> As
As -> 0
As -> 0
0 -> As
As -> 0
0 -> As
As -> 0
0 -> As
As -> 0
0 -> As
0 -> Bs
Bs -> 0
0 -> Bs
Bs -> 0
0 -> Bs
Bs -> 0
Bs -> 0
0 -> Bs
0 -> Asyn
Asyn -> 0
Asyn -> 0
0 -> Asyn
Asyn -> 0
0 -> Asyn
Asyn -> 0
0 -> Asyn
0 -> Bsyn
Bsyn -> 0
0 -> Bsyn
Bsyn -> 0
0 -> Bsyn
Bsyn -> 0
Bsyn -> 0
0 -> Bsyn