(;GM[1]FF[4]SZ[19]
GN[Mistake 19]
PC[https://senseis.xmp.net/?DietersMistakesIn2021/Problem18]AP[GoWiki:2009]
DT[2022-01-24]
C[Diagram from https://senseis.xmp.net/?DietersMistakesIn2021/Problem18

Mistake 19]
PL[W]

AB[ca][bb][db][bc][cc][dd][ed][fd][ef][cg][dn][po][pp][dq][lq][pq][nr][or]
AW[eb][dc][ec][gc][bd][cd][gd][pd][cf][gf][qn][qp][nq][qq][pr][qr]
LB[df:b][dg:c][ch:a]

;W[bg]C[W1]MN[1]

;LB[df:b][dg:c][ch:a]
)
