(;GM[1]FF[4]SZ[19]
GN[Beginning of the answer]
PC[http://senseis.xmp.net/?SecondLessonInThrowins/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?SecondLessonInThrowins/Solution

Beginning of the answer]
PL[B]

AB[bo][do][fo][fq][gq][iq][dr][er]
AW[ho][ip][cq][dq][eq][br][fr][hr][fs]
LB[hs:a]

;B[gr]C[B1]MN[1]
;W[gs]C[W2]MN[2]

;LB[hs:a]
)
