(;GM[1]FF[4]SZ[19]
GN[Mistake 25]
PC[https://senseis.xmp.net/?DietersMistakesIn2021/Problem25]AP[GoWiki:2009]
DT[2022-01-24]
C[Diagram from https://senseis.xmp.net/?DietersMistakesIn2021/Problem25

Mistake 25]
PL[B]

AB[qa][pb][rb][bc][hc][qc][bd][cd][dd][ed][qd][rd][qe][se][rf][ci][pj][pm][rm][qn][qo][pp][nq][pq][or]
AW[bb][ob][cc][dc][ec][fc][nc][pc][pd][pe][cf][qf][pg][rg][dn][rn][ro][qp][dq][hq][qq][pr][qr]
LB[hb:c][dh:b][ck:a][ql:d]

;B[fd]C[B1]MN[1]

;LB[hb:c][dh:b][ck:a][ql:d]
)
