(;GM[1]FF[4]SZ[19]
GN[Mistake 19]
PC[https://senseis.xmp.net/?DietersMistakesIn2021/Solution18]AP[GoWiki:2009]
DT[2022-01-24]
C[Diagram from https://senseis.xmp.net/?DietersMistakesIn2021/Solution18

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]

;W[bg]C[W1]MN[1]
;B[df]C[B2]MN[2]
;W[ch]C[W3]MN[3]
;B[ce]C[B4]MN[4]
;W[dg]C[W5]MN[5]
;B[be]C[B6]MN[6]

;
)
