% sstipics.t25 -- generated from sstipics.mp
\fmfL(2.88899,5.49307,rb){$k_2 \nearrow $}%
\fmfL(22.04318,14.37128,lt){$\swarrow -k_{12}$}%
\fmfL(12.59848,12.10875,b){$\rightarrow k_{12}$}%
