def al_acyclic_graph_3():
return Al([
Vx(0, (2, 3)),
Vx(1, 2),
Vx(2, (3, 4)),
Vx(3, (5, 6)),
Vx(4, 7),
Vx(5, 7),
Vx(6),
Vx(7)
])
def al_cyclic_graph_1():
return Al([
Vx(0, (2, 3)),
Vx(1, 2),
Vx(2, (3, 4)),
Vx(3, (5, 6)),
Vx(4, 7),
Vx(5, 7),
Vx(6, 8),
Vx(7),
Vx(8, 2)
])
def al_acyclic_graph_1():
return Al([
Vx(0, (1, 2)),
Vx(1, (4, 5)),
Vx(2, (6, 7)),
Vx(3, 7),
Vx(4),
Vx(5, 8),
Vx(6, 8),
Vx(7),
Vx(8)
])
def al_acyclic_graph_2():
return Al([
Vx(0, (1, 2)),
Vx(1, (4, 5)),
Vx(2, (6, 7, 9)),
Vx(3, 7),
Vx(4),
Vx(5, 8),
Vx(6, 8),
Vx(7, 9),
Vx(8, 9),
Vx(9),
Vx(10, 2)
])
def al_acyclic_graph_4():
return Al([
Vx(0, (1, 2, 5)),
Vx(1, (3, 4, 5)),
Vx(2, 6),
Vx(3, 7),
Vx(4, 7),
Vx(5, 8),
Vx(6, 8),
Vx(7, 9),
Vx(8, 9),
Vx(9),
Vx(10, 12),
Vx(11, 12),
Vx(12, (6, 13)),
Vx(13)
])
def al_acyclic_graph_5():
return Al([
Vx(0, 4),
Vx(1, 5),
Vx(2, (6, 7)),
Vx(3, 7),
Vx(4, 11),
Vx(5, 11),
Vx(6, 11),
Vx(7, 8),
Vx(8, (9, 10)),
Vx(9),
Vx(10),
Vx(11, (12, 13, 14)),
Vx(12),
Vx(13),
Vx(14)
])
def al_cyclic_graph_2():
return Al([Vx(0, (1, 2, 3)), Vx(1, 4), Vx(2, 4), Vx(3, 2), Vx(4, 3)])