(;GM[1]FF[4]SZ[13:9]
GN[hopefully attaking 2 sides]
PC[http://senseis.xmp.net/?13X9Game01]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?13X9Game01

hopefully attaking 2 sides]
PL[B]

AB[hb][fc][ic][jc][cd][je][gf][dg][eg][jg]
AW[hc][id][jd][ce][fe][he][ke][df][cg][lg]
LB[ec:a]

;B[if]C[B1]MN[1]
;W[ge]C[W2]MN[2]
;B[ff]C[B3]MN[3]
;W[dc]C[W4]MN[4]

;LB[ec:a]
)
