(;GM[1]FF[4]SZ[19]
GN[Solution part 1]
PC[http://senseis.xmp.net/?RTGProblem19/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?RTGProblem19/Solution

Solution part 1]
PL[B]

AB[cn][dn][pn][do][dp][jp][pp][cq][eq][er]
AW[cm][bn][co][bp][cp][dq][nq][dr][fr][es]
CR[jp]

;B[cr]C[B1]MN[1]
;W[ds]C[W2]MN[2]
;B[fq]C[B3]MN[3]
;W[gr]C[W4]MN[4]
;B[gq]C[B5]MN[5]
;W[hr]C[W6]MN[6]
;B[fs]C[B7]MN[7]
;W[gs]C[W8]MN[8]
;B[cs]C[B9]MN[9]

;CR[jp]
)
