(;GM[1]FF[4]SZ[19]
GN[Mistake 256]
PC[https://senseis.xmp.net/?DietersMistakesIn2021/Problem107]AP[GoWiki:2009]
DT[2022-03-04]
C[Diagram from https://senseis.xmp.net/?DietersMistakesIn2021/Problem107

Mistake 256]
PL[W]

AB[cc][pc][rc][fd][pd][rd][ne][pe][re][qf][qg][rg][dk][cn][ro][qp][pq][qq]
AW[qa][pb][qb][rb][nc][qc][ld][qd][qe][pf][rf][qn][po][dp][pp][fq][oq][or]
LB[rn:b][np:a]


;LB[rn:b][np:a]
)
