(;GM[1]FF[4]SZ[19]
GN[Moves 21 to 30]
PC[http://senseis.xmp.net/?HowDidThisHappen]AP[GoWiki:2009]
DT[2011-10-13]
C[Diagram from http://senseis.xmp.net/?HowDidThisHappen

Moves 21 to 30]
PL[W]

AB[cc][dc][ec][fc][gc][gd][pd][he][pf][ck][dp][pp][mq]
AW[cd][dd][ed][fd][hd][id][nd][ge][gf][jp]

;W[gq]C[W21]MN[21]
;B[eq]C[B22]MN[22]
;W[cn]C[W23]MN[23]
;B[co]C[B24]MN[24]
;W[dn]C[W25]MN[25]
;B[ch]C[B26]MN[26]
;W[qk]C[W27]MN[27]
;B[eh]C[B28]MN[28]
;W[qh]C[W29]MN[29]
;B[nf]C[B30]MN[30]

;
)
