(;GM[1]FF[4]SZ[19]
GN[Main line]
PC[https://senseis.xmp.net/?GokyoShumyoSection2Problem2/Solution]AP[GoWiki:2009]
DT[2023-01-04]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection2Problem2/Solution

Main line]
PL[B]

AB[fb][fc][bd][cd][dd][ed]
AW[bb][eb][cc][dc]

;B[ab]C[B1]MN[1]
;W[ac]C[W2]MN[2]
;B[bc]C[B3]MN[3]
;W[cb]C[W4]MN[4]
;B[ad]C[B5]MN[5]

;
)
