<!-- kumoha313 -->
  <contribution type="trainCar" id="{1CDCD81D-8368-4CBC-HERM-0F1FD3131600}-A">
  <class name="freetrain.contributions.train.SymTrainCarImpl" />
  <sprite origin="0,0">
<picture src="313_T'c.bmp" />
</sprite>
<capacity>156</capacity>
</contribution>

<!-- kuha313 -->
  <contribution type="trainCar" id="{1CDCD81D-8368-4CBC-HERM-0F1FD3131600}-Q">
<class name="freetrain.contributions.train.AsymTrainCarImpl" />
<sprite origin="0,0">
<picture src="313_Tc.bmp" />
</sprite>
<capacity>56</capacity>
</contribution>

kumoha313の方がおかしいかな?
<class name="freetrain.contributions.train.AsymTrainCarImpl" />
にしないといけないところが
<class name="freetrain.contributions.train.SymTrainCarImpl" />
になってる。
あと定員が不思議w