(;GM[1]FF[4]SZ[9]
GN[Head butt]
PC[http://senseis.xmp.net/?9x9Openings/Discussion]AP[GoWiki:2009]
DT[2016-06-13]
C[Diagram from http://senseis.xmp.net/?9x9Openings/Discussion

Head butt]
PL[B]


;B[ee]C[B1]MN[1]
;W[ce]C[W2]MN[2]
;B[de]C[B3]MN[3]

;
)
