(;GM[1]FF[4]SZ[19]
GN[reduction]
PC[https://senseis.xmp.net/?ShallowInvasion]AP[GoWiki:2009]
DT[2022-12-21]
C[Diagram from https://senseis.xmp.net/?ShallowInvasion

reduction]
PL[W]

AB[cd][dd][ed][pd][be][bf][qf][ch][bo][co][do][bp][dp][eq][fq][gq]
AW[bc][cc][dc][fc][bd][cf][dn][qn][cp][pp][bq][cq][dq][cr][er][fr]
CR[dn]

;W[fk]C[W1]MN[1]
;B[dk]C[B2]MN[2]
;W[gn]C[W3]MN[3]
;B[pm]C[B4]MN[4]
;W[rl]C[W5]MN[5]

;CR[dn]
)
