(;GM[1]FF[4]SZ[19]
GN[]
PC[http://senseis.xmp.net/?PracticalApproachToYose/Problem3Solution]AP[GoWiki:2009]
DT[2009-06-24]
C[Diagram from http://senseis.xmp.net/?PracticalApproachToYose/Problem3Solution

]
PL[B]

AB[cn][co][cp][dq][eq]
AW[do][ep][fp][hp][jp][fq][fr]

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

;
)
