All subnodes of 'a':
a : 0
All subnodes of 'b':
b : 1
All subnodes of 'c':
c : X
All subnodes of 'C':
a : 0
b : 1
c : X
All subnodes of 'C.a':
a : 0
All subnodes of 'C.b':
b : 1
All subnodes of 'C.c':
c : X
All subnodes of 'C':
a : 1
b : 1
c : 0
All subnodes of 'C':
a : 0
b : 0
c : 1
