(;GM[1]FF[4]SZ[19]
GN[solution (part 1)]
PC[http://senseis.xmp.net/?TesujiFromGames5/Solution]AP[GoWiki:2009]
DT[2016-03-21]
C[Diagram from http://senseis.xmp.net/?TesujiFromGames5/Solution

solution (part 1)]
PL[B]

AB[bb][eb][fb][cc][ec][nc][md][od][qd][bf][cf][ef][qf][cg][dg][dh][di][cj][ck][jk][dl][dm][jm][bn][cn][en][bo][jo][qo][cq][jq][pq]
AW[gb][fc][ic][lc][oc][dd][fd][be][ce][de][df][eg][fg][ch][qh][qk][cl][ll][am][bm][cm][qm][dn][ln][co][do][bp][dp][lp][bq][dq][fq]

;B[hd]C[B1]MN[1]
;W[hc]C[W2]MN[2]
;B[fe]C[B3]MN[3]
;W[ge]C[W4]MN[4]
;B[gd]C[B5]MN[5]
;W[ed]C[W6]MN[6]
;B[gf]C[B7]MN[7]
;W[he]C[W8]MN[8]

;
)
