(;GM[1]FF[4]SZ[19]
GN[Black to play.]
PC[http://senseis.xmp.net/?BeginnerExercise255/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise255/Attempts

Black to play.]
PL[B]

AB[ip][jp][kp][iq][kq]
AW[ho][io][jo][ko][lo][fq][gq][hq][lq][mq][nq]

;B[jr]C[B1]MN[1]
;W[kr]C[W2]MN[2]
;B[lr]C[B3]MN[3]

;
)
