(;GM[1]FF[4]SZ[19]
GN[Variation 1]
PC[https://senseis.xmp.net/?GokyoShumyoSection5Problem12/Solution]AP[GoWiki:2009]
DT[2022-12-27]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection5Problem12/Solution

Variation 1]
PL[B]

AB[bg][bh][hh][kh][ci][fi][gi][hi][ii][ji][ki][cj][fj][dk][ek]
AW[hg][kg][ch][dh][fh][gh][ih][jh][lh][ei][li][ej][kj][fk][gk][ik]

;B[eh]C[B1]MN[1]
;W[cg]C[W2]MN[2]
;B[eg]C[B3]MN[3]

;
)
