(;GM[1]FF[4]SZ[19]
GN[Addendum]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem18/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem18/Solution

Addendum]
PL[B]

AB[bp][bq][cq][eq][er]
AW[cn][fn][bo][ap][cp][dp][ep][fp][fq][fr]
CR[ep]

;B[dq]C[B1]MN[1]

;CR[ep]
)
