(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[https://senseis.xmp.net/?IgoHatsuyoRonProblem144/Solution]AP[GoWiki:2009]
DT[2019-03-27]
C[Diagram from https://senseis.xmp.net/?IgoHatsuyoRonProblem144/Solution

Solution]
PL[B]

AB[ib][pb][rb][ec][ic][pc][cd][id][jd][kd][ld][md][pd][ge][qf]
AW[ia][pa][hb][jb][ob][hc][jc][kc][lc][mc][oc][he][je][hf][lf][nf][og]

;B[hd]C[B1]MN[1]
;W[gd]C[W2]MN[2]
;B[gc]C[B3]MN[3]
;W[fd]C[W4]MN[4]
;B[fc]C[B5]MN[5]
;W[fe]C[W6]MN[6]
;B[nd]C[B7]MN[7]
;W[od]C[W8]MN[8]
;B[oe]C[B9]MN[9]
;W[ne]C[W10]MN[10]

;
)
