对如图[tex=1.286x1.0]t/3uLjyZPQMSHVQuH57YZA==[/tex]所示的无向图,从顶点 [tex=0.5x1.0]oYgVDn+QZqcDCRxqEZwM2A==[/tex]开始进行广度优先遍历,可得到顶点访问序列是      .[img=341x161]179e62dded6be67.png[/img] 未知类型：{'options': ['[tex=10.5x1.357]CeOWlpLvH8Qhk/RmfIvBHfRDWGt5NV+xQ217MOBHx+dp8M0DNsbIHgjNJtNy48Iuf7/JuXNrRfFwPibEAd8BBQ==[/tex]', '[tex=10.5x1.357]CeOWlpLvH8Qhk/RmfIvBHUJhnnswLnpK5aIzaf6Rqac7An32TaatDDTuHfiCcIZroM774S1S3NDtuwQgMvbaGg==[/tex]', '[tex=10.5x1.357]CeOWlpLvH8Qhk/RmfIvBHfSphzMfIWfE0PUXRJISnCPHVB7WTeQndeNkrcbt/7k/QVtRKJEKsltflNhRPGOBpA==[/tex]', '[tex=10.5x1.357]CeOWlpLvH8Qhk/RmfIvBHeBKMHC4xneTm7SN2pFUcahW73jOTk4AIhrYENEiQOL4BrQX7mEiojaL/9b6/hBUoQ==[/tex]'], 'type': 102}