(;GM[1]FF[4]SZ[19]
GN[Black descends]
PC[http://senseis.xmp.net/?BeginnerExercise81/Solution]AP[GoWiki:2009]
DT[2014-01-15]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise81/Solution

Black descends]
PL[W]

AB[io][jo][ko][ip][kp][gq][iq][jq][gr][jr][js]
AW[hn][in][jn][kn][ln][ho][lo][fp][gp][hp][lp][fq][kq][mq][fr][kr][ks]
LB[hs:a]

;W[hr]C[W1]MN[1]
;B[gs]C[B2]MN[2]
;W[hq]C[W3]MN[3]

;LB[hs:a]
)
