Testcase confusion
In test.py @ github there's such case:
"input": [['Dorothea', 'Vincent', 'Irene', 'Lula', 'Paulette', 'Bill', 'Virginia'], []], "answer": [5, ...]
And from my code I can find 6 chains:
1. ['Dorothea', 'Vincent', 'Irene', 'Lula', 'Paulette', 'Bill', 'Virginia'] 2. ['Dorothea', 'Virginia', 'Bill', 'Paulette', 'Lula', 'Irene', 'Vincent'] 3. ['Dorothea', 'Irene', 'Paulette', 'Vincent', 'Virginia', 'Lula', 'Bill'] 4. ['Dorothea', 'Bill', 'Lula', 'Virginia', 'Vincent', 'Paulette', 'Irene'] 5. ['Dorothea', 'Lula', 'Vincent', 'Bill', 'Irene', 'Virginia', 'Paulette'] 6. ['Dorothea', 'Paulette', 'Virginia', 'Irene', 'Bill', 'Vincent', 'Lula']
Am I wrong?