(;GM[1]FF[4]SZ[19]
GN[Main line]
PC[http://senseis.xmp.net/?RTGProblem100/Attempts]AP[GoWiki:2009]
DT[2014-07-08]
C[Diagram from http://senseis.xmp.net/?RTGProblem100/Attempts

Main line]
PL[B]

AB[fo][go][ho][io][jo][ko][ep][kp][eq][gq][kq][cr][er][jr][kr][ks]
AW[gp][hp][jp][fq][jq][fr][hr][ir][fs][js]
LB[is:a]

;B[gr]C[B1]MN[1]
;W[ip]C[W2]MN[2]
;B[hq]C[B3]MN[3]
;W[fp]C[W4]MN[4]
;B[hs]C[B5]MN[5]

;LB[is:a]
)
