(;GM[1]FF[4]SZ[19]
GN[after ''a'']
PC[http://senseis.xmp.net/?IgoHatsuyoRonProblem167/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?IgoHatsuyoRonProblem167/Attempts

after ''a'']
PL[B]

AB[qc][pd][rd][oe][of][pf][og][nh][ph][rh][pi][rj]
AW[mc][oc][pc][qd][qe][qf][pg][qg][oh][ni][oi][ri]

;B[qb]C[B4]MN[4]
;W[re]C[W5]MN[5]
;B[rc]C[B6]MN[6]
;W[oj]C[W7]MN[7]
;B[mf]C[B8]MN[8]
;W[qh]C[W9]MN[9]
;B[qi]C[B10]MN[10]
;W[si]C[W11]MN[11]
;B[qk]C[B12]MN[12]
;W[rg]C[W13]MN[13]

;
)
