(;GM[1]FF[4]SZ[19]
GN[Correct]
PC[https://senseis.xmp.net/?DietersMistakesIn2021/Solution90]AP[GoWiki:2009]
DT[2022-02-18]
C[Diagram from https://senseis.xmp.net/?DietersMistakesIn2021/Solution90

Correct]
PL[W]

AB[cb][db][gb][lb][mb][qb][dc][fc][jc][mc][pc][id][pd][qd][ee][fe][ie][je][ef][jf][lf][of][pf][dg][hg][jg][kg][mg][ch][dh][hh][hi][hk][mk][nk][pk][cl][jl][ll][pl][cm][pm][cn][pn][co][mo][oo][dp][ip][kp][dq][iq][kq][nq][pr]
AW[ib][jb][kb][rb][bc][cc][hc][kc][lc][qc][rc][dd][hd][md][rd][de][he][ke][me][cf][ff][hf][if][qf][cg][fg][ig][qg][bh][jh][bi][fi][ml][nl][ql][bm][hm][qm][bn][jn][ln][mn][nn][on][qn][bo][io][no][po][cp][jp][pp][cq][qq]
LB[ij:a][lk:b]

;W[ih]C[W1]MN[1]

;LB[ij:a][lk:b]
)
