(;GM[1]FF[4]SZ[19]
GN[White kills]
PC[https://senseis.xmp.net/?GokyoShumyoSection2Problem37/Solution]AP[GoWiki:2009]
DT[2023-01-09]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection2Problem37/Solution

White kills]
PL[W]

AB[db][ec][bd][cd][dd][be][de][ee]
AW[eb][fb][gc][ed][fd][ce][fe][af][bf][cf][df][ef]

;W[ba]C[W1]MN[1]
;B[cb]C[B2]MN[2]
;W[bb]C[W3]MN[3]
;B[bc]C[B4]MN[4]
;W[dc]C[W5]MN[5]
;B[ab]C[B6]MN[6]
;W[da]C[W7]MN[7]

;
)
