(;GM[1]FF[4]SZ[19]
GN[Moves 26 to 26]
PC[https://senseis.xmp.net/?DietersMistakesIn2022/Solution18]AP[GoWiki:2009]
DT[2022-01-17]
C[Diagram from https://senseis.xmp.net/?DietersMistakesIn2022/Solution18

Moves 26 to 26]
PL[W]

AB[nc][jd][nd][od][dm][en][do][eo][po][jp][pp][dq][pq]
AW[hc][oc][pc][dd][qd][qf][cn][dn][rn][co][qp][qq]

;W[cl]C[W1]MN[1]
;B[cp]C[B2]MN[2]
;W[dl]C[W3]MN[3]
;B[fc]C[B4]MN[4]

;
)
