(;GM[1]FF[4]SZ[19]
GN[Later]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem22/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem22/Solution

Later]
PL[B]

AB[cq][dq][eq][br][dr][bs][es]
AW[dn][co][bp][dp][ep][bq][fq][gq][ar][er][gr][fs]
CR[er]

;B[fr]C[B1]MN[1]
;W[gs]C[W2]MN[2]
;B[cs]C[B3]MN[3]

;CR[er]
)
