'A loopless CFG corresponding to the following code structure:
c = (... if ... else ...) + ...
if c:
return ...
else:
return ...
Note there are two exit points, and the entry point has been
changed to a non-zero value.'

def loopless2(self):

    g = self.from_adj_list({99: [18, 12], 12: [21], 18: [21], 21: [42, 34], 34: [], 42: []})
    g.set_entry_point(99)
    g.process()
    return g
