Given the digraph as shown below is the altering sequence v3 a2 v1 a6 v2 a4 v4 a8 v5 a trailhttpscorexjtlueducnpluginfilephp535211questionquestiontext2444812151221435Q_AlteringSeqpng
No, the sequence is not a trail because there is no edge labeled "a()" in the digraph.
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