要想确定是否存在14阶色指数临界图，首先需要确定出13阶临界图的结构和特征。
In order to determine whether exist chromatic index critical graph of order 14, we should determine chromatic index critical of order 13 at first.
要想确定是否存在14阶色指数临界图，首先需要确定出13阶临界图的结构和特征。
In order to determine whether exist chromatic index critical graph of order 14, we should determine chromatic index critical of order 13 at first.
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