(;GM[1]FF[4]SZ[19]
GN[Mistake 17]
PC[https://senseis.xmp.net/?DietersMistakesIn2021/Problem17]AP[GoWiki:2009]
DT[2022-01-24]
C[Diagram from https://senseis.xmp.net/?DietersMistakesIn2021/Problem17

Mistake 17]
PL[B]

AB[qf][qk][cp][op][pp][qp][rp][iq][nq][rq]
AW[nc][dd][pd][cf][ep][oq][pq][qq][nr][rr]
CR[ep]
LB[dn:a][lr:b][os:c]

;B[mr]C[B1]MN[1]
;W[mq]C[W2]MN[2]
;B[np]C[B3]MN[3]

;CR[ep]
LB[dn:a][lr:b][os:c]
)
