For Digraph Node ID: 3, the expected map value is: -1, but the observed map value is: 0.
For Digraph Node ID: 2, the expected map value is: -1, but the observed map value is: 0.
For Digraph Node ID: 1, the expected map value is: -1, and the observed map value is: -1.
For Digraph Node ID: 0, the expected map value is: -1, and the observed map value is: -1.