(;GM[1]FF[4]SZ[19]
GN[Main line]
PC[https://senseis.xmp.net/?GokyoShumyoSection1Problem58/Solution]AP[GoWiki:2009]
DT[2023-01-19]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection1Problem58/Solution

Main line]
PL[W]

AB[lo][mp][op][pp][qp][kq][lq][rq][rr]
AW[mq][nq][oq][pq][qr]
LB[ls:a]

;W[lr]C[W1]MN[1]
;B[kr]C[B2]MN[2]
;W[ms]C[W3]MN[3]

;LB[ls:a]
)
