(;GM[1]FF[4]SZ[19]
GN[Solution 1]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem159/Solution]AP[GoWiki:2009]
DT[2015-03-08]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem159/Solution

Solution 1]
PL[W]

AB[ja][pa][gb][ib][kb][ob][qb][hc][nc][rc][id][md][he][ne][kf][hg][jg][lg][ng][gh][oh]
AW[jb][pb][jc][kc][lc][pc][jd][ld][pd][qd][rd][je][ke][le][qg][qi]

;W[nb]C[W1]MN[1]
;B[mb]C[B2]MN[2]
;W[lb]C[W3]MN[3]
;B[la]C[B4]MN[4]

;
)
