(;GM[1]FF[4]SZ[19]
GN[Mistake]
PC[https://senseis.xmp.net/?DietersMistakesIn2022/solution50]AP[GoWiki:2009]
DT[2022-03-05]
C[Diagram from https://senseis.xmp.net/?DietersMistakesIn2022/solution50

Mistake]
PL[B]

AB[ob][mc][oc][bd][gd][id][nd][qd][rd][ce][ge][cf][ff][kf][mf][nf][lg][qg][dh][qh][ii][ki][li][qi][ri][fj][ij][pj][sj][kk][lk][pk][sk][sl][cm][fm][gm][km][en][hn][kn][mn][nn][co][go][ko][oo][cp][gp][np][bq][gq][nq][br][gr]
AW[pb][bc][cc][fc][gc][ic][jc][pc][qc][dd][fd][jd][od][pd][fe][of][mg][og][mh][oh][rh][hj][jj][mj][nk][qk][gl][hl][ol][ql][rl][hm][jm][nm][sm][in][jn][on][pn][qn][rn][bp][dp][ep][hp][jp][pp][cq][eq][kq][oq][cr][dr][fr][mr][nr]

;B[ie]C[B1]MN[1]
;W[lb]C[W2]MN[2]
;B[iq]C[B3]MN[3]

;
)
