('CID100004973', 10),heme
('CID100004973', 10),Heme (VAN)
('CID100004973', 10),heme C
('CID100004973', 10),heme
('CID100004973', 10),HEME
('CID100004973', 10),Heme B
('CID100004973', 10),Heme (VAN)
('CID100004973', 10),heme
('CID100004973', 10),heme b
('CID100004973', 10),heme b
('CID100003577', 9),heme a
('CID100003577', 9),heme a
('CID100003577', 9),HEME_A
('CID100003577', 9),heme a
('CID100003577', 9),Heme-a
('CID100003577', 9),HEME-A
('CID100003577', 9),Heme-a
('CID100003577', 9),Heme A
('CID100003577', 9),HEME_A
ldiff: defaultdict(<type 'list'>, {'CID100004973': [0, 6, 2, 0, 0, 2, 6, 0, 2, 2], 'CID100003577': [2, 2, 2, 2, 2, 2, 2, 2, 2]})
f1: [0, 6, 2, 0, 0, 2, 6, 0, 2, 2]
f2: [2, 2, 2, 2, 2, 2, 2, 2, 2]
c1: Counter({0: 4, 2: 4, 6: 2})
c2: Counter({2: 9})
The chosen was ... CID100004973