(;GM[1]FF[4]SZ[19]
GN[Mistake 78]
PC[https://senseis.xmp.net/?DieterVerhofstadt/2021ABCOfMistakes]AP[GoWiki:2009]
DT[2021-05-08]
C[Diagram from https://senseis.xmp.net/?DieterVerhofstadt/2021ABCOfMistakes

Mistake 78]
PL[B]

AB[ja][ib][nb][ec][ic][jc][mc][nc][qc][rc][bd][id][pd][be][ce][ee][fe][je][me][pe][qe][cf][ef][jf][nf][of][pf][cg][fg][hg][ig][lg][mg][og][bh][fh][lh][oh][bi][fi][li][ni][oi][pi][qi][bj][ej][hj][lj][nj][qj][ek][lk][nk][pk][rk][el][kl][ll][ml][pl][ql][rl][em][gm][km][lm][om][bn][fn][on][co][oo][ro][bp][dp][ep][lp][qp][rp][fq][gq][hq]
AW[la][cb][jb][kb][mb][bc][dc][kc][lc][cd][dd][jd][kd][md][qd][rd][de][ke][ne][re][df][ff][hf][kf][lf][mf][qf][dg][eg][kg][pg][rg][ch][eh][kh][ph][qh][ci][ei][ki][ri][dj][fj][kj][oj][pj][dk][ik][kk][ok][bl][dl][nl][ol][nm][pm][qm][rm][cn][dn][en][nn][no][po][qo][pp][bq][cq][dq][eq][nq][qq][fr][gr][mr]
LB[oq:a][pr:b][qr:c]

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

;LB[oq:a][pr:b][qr:c]
)
