Payment:  None 
H Version:
D Version:
Currently at root
Q from H
0 H
D
Notes:
H
H
D
1
Payment:   
Notes:
H
H
D
2
Payment:   
Notes:
H
H
D
28
Payment:   
Notes:
D
H
D
3
Payment:   
Notes:
D
H
D
4
Payment:   
Notes:
D
H
D
29
Payment:   
Notes:
CX of H's argument
H
D
CX of D's argument
H
D