From: Efficient path-based computations on pedigree graphs with compact encodings
Ancestor(P5)
Prefix(PET(P5))
0.
0.0,
0.0,0.
0.0,0.0,
A(P5)
1,
1,0.
Ancestor(P6)
Prefix(PET(P6))
1,1.
A(P 6)
1.0.