(;GM[1]FF[4]SZ[19]
GN[Black to play]
PC[http://senseis.xmp.net/?KyuExercise73/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?KyuExercise73/Attempts

Black to play]
PL[B]

AB[ka][gb][hb][ib][lb][jc][kc]
AW[ja][fb][mb][fc][gc][hc][lc][nc][id][jd][kd][ld]

;B[ia]C[B1]MN[1]
;W[ga]C[W2]MN[2]
;B[jb]C[B3]MN[3]

;
)
