(;GM[1]FF[4]SZ[19]
GN[Mistake]
PC[https://senseis.xmp.net/?DietersMistakesIn2021/Solution111]AP[GoWiki:2009]
DT[2022-03-04]
C[Diagram from https://senseis.xmp.net/?DietersMistakesIn2021/Solution111

Mistake]
PL[B]

AB[oc][ed][fd][gd][pd][ce][ie][je][qf][go][ep][pp][cq][dq][hq][lq][nq]
AW[mb][dc][ec][fc][hc][nc][jd][kd][ch][eh][dm][jn][bo][cp][ip][bq][jq]

;B[bc]C[B1]MN[1]
;W[hd]C[W2]MN[2]
;B[he]C[B3]MN[3]

;
)
