(;GM[1]FF[4]SZ[19]
GN[Solution 1]
PC[https://senseis.xmp.net/?GokyoShumyoSection1Problem66/Solution]AP[GoWiki:2009]
DT[2022-12-18]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection1Problem66/Solution

Solution 1]
PL[B]

AB[eq][fq][hq][dr][gr][ir][ds]
AW[ep][fp][gp][hp][ip][cq][dq][iq][kq][cr][jr]
LB[gq:b][cs:a][is:c]

;B[fs]C[B1]MN[1]
;W[er]C[W2]MN[2]
;B[hr]C[B3]MN[3]

;LB[gq:b][cs:a][is:c]
)
