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

Attach-extend]
PL[B]

AB[cj][dj]
AW[dh][ci]
LB[dg:a]

;B[eh]C[B1]MN[1]
;W[eg]C[W2]MN[2]
;B[fh]C[B3]MN[3]

;LB[dg:a]
)
