(;GM[1]FF[4]SZ[19]
GN[Best]
PC[https://senseis.xmp.net/?DietersMistakesIn2021/Solution57]AP[GoWiki:2009]
DT[2022-01-28]
C[Diagram from https://senseis.xmp.net/?DietersMistakesIn2021/Solution57

Best]
PL[W]

AB[ha][eb][fb][gb][ib][dc][gc][nc][oc][cd][dd][fd][pd][de][ee][cf][df][pf][rg][rh][ci][ej][ek][hk][cl][fl][gl][cm][gm][pm][cn][gn][on][co][eo][lo][no][dp][gp][hp][ip][jp][kp][dq][nq][dr][mr][pr][cs][ds]
AW[cb][db][hb][cc][fc][hc][jc][mc][bd][gd][hd][ld][nd][be][ce][bf][cg][hg][qh][hi][qj][dk][fk][el][ql][bm][fm][qm][bn][fn][qn][bo][fo][cp][fp][lp][pp][cq][fq][gq][hq][jq][kq][lq][qq][ar][cr][bs]
LB[er:a]

;W[dl]C[W1]MN[1]
;B[em]C[B2]MN[2]

;LB[er:a]
)
