(;GM[1]FF[4]SZ[19]
GN[Mistake]
PC[https://senseis.xmp.net/?DietersMistakesIn2021/solution99]AP[GoWiki:2009]
DT[2022-02-19]
C[Diagram from https://senseis.xmp.net/?DietersMistakesIn2021/solution99

Mistake]
PL[W]

AB[fc][jc][kc][lc][ed][fd][gd][ee][ke][le][me][bf][df][ef][kf][nf][pf][cg][ch][kh][lh][ci][di][ei][mi][ni][dk][ek][fk][gk][ik][jk][co][do][dp][pp][cq][fq][cr]
AW[dc][ec][nc][cd][jd][kd][ld][pd][be][ce][de][fe][je][qe][cf][jf][dg][fg][mg][dh][fh][ih][mh][ji][li][cj][jj][lj][ck][dl][el][fl][cn][bo][bp][cp][bq][qq]
LB[jg:a]

;W[mc]C[W1]MN[1]
;B[md]C[B2]MN[2]

;LB[jg:a]
)
