(;GM[1]FF[4]SZ[19]
GN[Mistake 1]
PC[https://senseis.xmp.net/?DietersMistakesIn2021/Problem1]AP[GoWiki:2009]
DT[2022-01-22]
C[Diagram from https://senseis.xmp.net/?DietersMistakesIn2021/Problem1

Mistake 1]
PL[B]

AB[kb][lb][nb][ec][hc][lc][mc][pc][dd][ed][fd][gd][hd][md][nd][pd][sd][le][me][oe][pe][qe][re][se][ef][jf][nf][eg][hg][ig][jg][kg][lg][mg][eh][ei][ni][pi][qi][ri][ej][jj][kj][pj][dk][ek][ik][nk][ok][el][il][jl][im][cn][dn][jn][kn][do][jo][po][ap][cp][jp][bq][cq][dq][eq][jq][mq][oq][pq][gr][hr][ir][mr][or][qr][gs][ps][qs]
AW[eb][gb][ib][ob][pb][qb][rb][cc][dc][fc][gc][ic][kc][nc][oc][qc][sc][cd][jd][kd][ld][od][qd][rd][he][je][ke][cf][df][if][kf][lf][mf][dh][di][li][dj][lj][qj][rj][ck][jk][kk][pk][qk][cl][dl][kl][ll][nl][ol][bm][jm][km][bn][ln][qn][bo][co][ko][qo][bp][dp][lp][np][op][pp][rp][kq][lq][qq][sq][jr][lr][rr][hs][is][js][ks][rs]
LB[na:b][hb:a][mk:c]


;LB[na:b][hb:a][mk:c]
)
