(;GM[1]FF[4]SZ[19]
GN[Trapezium]
PC[http://senseis.xmp.net/?Uxs/TermsAndConcepts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?Uxs/TermsAndConcepts

Trapezium]
PL[W]

AB[hi][ji][hj][kj]


;
)
