(;GM[1]FF[4]SZ[19]
GN[Problem]
PC[https://senseis.xmp.net/?SandBox]AP[GoWiki:2009]
DT[2019-03-02]
C[Diagram from https://senseis.xmp.net/?SandBox

Problem]
PL[B]

AB[cc][nc][dd][fd][pd][de][df][ef][ff][cg][ch][ci][cj][qj][rj][pm][qm][jn][nn][pn][rn][do][jo][lo][mo][po][ro][ep][kp][qp][dq][fq][kq][pq][qq][er][lr]
AW[db][eb][dc][fc][cd][ed][ce][ee][fe][cf][bg][bh][bi][nk][rk][pl][ql][sl][rm][cn][kn][io][ko][cp][dp][lp][mp][op][pp][cq][iq][lq][nq][oq][br][dr][mr][cs]
CR[jn]


;CR[jn]
)
