(;GM[1]FF[4]SZ[19]
GN[W11 at a kills]
PC[http://senseis.xmp.net/?RTGProblem72/Attempts]AP[GoWiki:2009]
DT[2010-01-10]
C[Diagram from http://senseis.xmp.net/?RTGProblem72/Attempts

W11 at a kills]
PL[W]

AB[nb][hc][ic][kc][mc][ld]
AW[pb][dc][fc][gc][nc][pc][hd][jd][nd][ge][ke][le][me][pe]
LB[na:a]

;W[lb]C[W1]MN[1]
;B[mb]C[B2]MN[2]
;W[jc]C[W3]MN[3]
;B[jb]C[B4]MN[4]
;W[kb]C[W5]MN[5]
;B[ka]C[B6]MN[6]
;W[ib]C[W7]MN[7]
;B[ia]C[B8]MN[8]
;W[hb]C[W9]MN[9]
;B[la]C[B10]MN[10]

;LB[na:a]
)
