(;GM[1]FF[4]SZ[19]
GN[White just played 1. Black's next move?]
PC[http://senseis.xmp.net/?Fusojigen/problems21sep]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?Fusojigen/problems21sep

White just played 1. Black's next move?]
PL[W]

AB[fg][ih][lh][mh][gi][hi][ki][ni][fj][ij][kj][nj][fk][ik][kk][nk][fl][hl][il][kl][ml][nl]
AW[ig][li][mi][gj][hj][lj][mj][gk][hk][lk][mk][ll]

;W[gl]C[W1]MN[1]

;
)
