(;GM[1]FF[4]SZ[19]
GN[Mistake 294]
PC[https://senseis.xmp.net/?DietersMistakesIn2021/solution145]AP[GoWiki:2009]
DT[2022-03-08]
C[Diagram from https://senseis.xmp.net/?DietersMistakesIn2021/solution145

Mistake 294]
PL[W]

AB[hb][ib][lb][pb][qb][fc][jc][kc][mc][oc][hd][id][kd][md][od][pd][qd][rd][ee][ne][oe][mf][dg][lg][qg][pi][jj][dl][ln][mn][qn][fo][lo][fp][mp][cq][dq][gq][er][fr][gr]
AW[na][pa][mb][nb][ob][rb][hc][ic][nc][pc][qc][rc][dd][jd][nd][je][ke][le][me][cf][nf][pf][cg][ig][mg][ng][dh][lh][fl][en][mo][no][cp][dp][ep][gp][np][pp][fq][hq][nq]

;W[eq]C[W1]MN[1]
;B[eo]C[B2]MN[2]
;W[do]C[W3]MN[3]
;B[dn]C[B4]MN[4]

;
)
