(;GM[1]FF[4]SZ[19]
GN[Counterplacement: main line]
PC[http://senseis.xmp.net/?TsumegoFromGames17/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?TsumegoFromGames17/Solution

Counterplacement: main line]
PL[B]

AB[co][eo][fo][go][ho][cp][dp][ep][ip][kp][bq][cq][eq][iq][kq][cr][er][ir]
AW[bm][cn][dn][en][fn][gn][hn][bo][do][io][jo][bp][fp][gp][hp][fq][hq][ar][dr][fr][hr][es]

;B[gs]C[B1]MN[1]
;W[fs]C[W2]MN[2]
;B[cs]C[B3]MN[3]
;W[gr]C[W4]MN[4]
;B[aq]C[B5]MN[5]
;W[ds]C[W6]MN[6]
;B[hs]C[B7]MN[7]
;W[is]C[W8]MN[8]

;
)
