Fig. 8.

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Outliers to our LTE modeling (see Appendix D) with positive optical depths. The only exceptions are the J1 → J0A−+ line series, recently proposed to present methanol maser Class II activity by Zinchenko et al. (2017). Line frequencies are labeled at the top of the Figure. Most of the lines are unclassified so far. Labels and colors are the same as for Fig. 7.
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