(;GM[1]FF[4]SZ[19]
GN[White invasions at a,b or c]
PC[http://senseis.xmp.net/?posting=48]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?posting=48

White invasions at a,b or c]
PL[B]

AB[jc][nd][pd][np][pp][kq]
AW[qf][qn]
CR[hc][pj][iq]
LB[lc:a][qc:b][qq:c]


;CR[hc][pj][iq]
LB[lc:a][qc:b][qq:c]
)
