A connectedTo: ['C', 'B']
C connectedTo: ['D']
B connectedTo: ['C']
D connectedTo: ['A']
[['A', 'D'], ['A', '2'], ['A']]
A,C,D
C,D
before recurse:
deque(['C'])
before recurse:
deque(['C', 'D'])
before recurse:
deque(['C', 'D', 'A'])
source is current:
deque(['A', 'C', 'D', 'A'])
before recurse:
deque(['A', 'C', 'D', 'A', 'B'])
done
done
done
done
before recurse:
deque(['A', 'B'])
before recurse:
deque(['A', 'B', 'C'])
before recurse:
deque(['A', 'B', 'C', 'D'])
done
done
done
done
{16: 'A,C,D,A'}
[16]