(;GM[1]FF[4]SZ[19]
GN[Black's forcing moves]
PC[http://senseis.xmp.net/?AkirasTopRight48]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?AkirasTopRight48

Black's forcing moves]
PL[B]

AB[mb][bc][dc][hc][ic][jc][kc][lc][mc][oc][qc][rc][cd][jd][kd][md][od][pd][qd][sd][ce][fe][he][ke][le][cf][ef][ff][hf][jf][of][qf][rf][hg][mg][ng][og][ih][kh][lh][ii][li][pi][cj][dj][ej][cm]
AW[na][sa][bb][cb][jb][kb][nb][ob][pb][qb][rb][cc][fc][nc][pc][sc][bd][dd][ed][gd][hd][id][nd][ie][je][me][re][if][kf][lf][mf][nf][fg][gg][lg][ch][mh][qh][di][ei][fi][hi][qi][ij][jj][qj][gk][qm][co]

;B[jg]C[B1]MN[1]
;W[sb]C[W2]MN[2]
;B[bn]C[B3]MN[3]
;W[hh]C[W4]MN[4]
;B[ig]C[B5]MN[5]
;W[bo]C[W6]MN[6]

;
)
