(;GM[1]FF[4]SZ[19]
GN[Mistake 31]
PC[https://senseis.xmp.net/?DietersMistakesIn2021/Solution31]AP[GoWiki:2009]
DT[2022-01-24]
C[Diagram from https://senseis.xmp.net/?DietersMistakesIn2021/Solution31

Mistake 31]
PL[B]

AB[nb][ec][jc][dd][jd][md][nd][od][pd][qe][cf][jf][qf][dj][cn][dn][op][rp][jq][nq][oq][pq][qq][rq][lr][mr][nr]
AW[lc][mc][nc][oc][le][me][nf][pf][pg][qg][pj][co][no][oo][qo][ro][dp][kp][np][pp][qp][fq][kq][lq][mq][kr][ls]
LB[kd:a]

;B[ld]C[B1]MN[1]
;W[qb]C[W2]MN[2]

;LB[kd:a]
)
