(;GM[1]FF[4]SZ[19]
GN[Mistake 18]
PC[https://senseis.xmp.net/?DietersMistakesIn2021/Solution19]AP[GoWiki:2009]
DT[2022-01-24]
C[Diagram from https://senseis.xmp.net/?DietersMistakesIn2021/Solution19

Mistake 18]
PL[B]

AB[qf][ej][hk][qk][el][fl][il][em][km][bn][dn][fn][do][ko][bp][cp][np][op][pp][qp][rp][bq][fq][gq][iq][kq][nq][rq][lr][mr]
AW[nc][dd][pd][cf][di][dj][cl][jl][cm][fm][gm][hm][jm][cn][go][io][ep][fp][jp][cq][dq][mq][oq][pq][qq][br][nr][rr][sr][os]
LB[gk:a]

;B[im]C[B1]MN[1]
;W[jn]C[W2]MN[2]
;B[in]C[B3]MN[3]
;W[jo]C[W4]MN[4]
;B[ho]C[B5]MN[5]
;W[hp]C[W6]MN[6]
;B[hn]C[B7]MN[7]
;W[hq]C[W8]MN[8]

;LB[gk:a]
)
