(;GM[1]FF[4]SZ[19]
GN[Dieter's attempt]
PC[http://senseis.xmp.net/?RTGProblem43/Attempts]AP[GoWiki:2009]
DT[2012-01-09]
C[Diagram from http://senseis.xmp.net/?RTGProblem43/Attempts

Dieter's attempt]
PL[B]

AB[nm][pm][qm][rm][pn][mo][no][oo][qo][ro][kp][lp][lq][oq][kr][mr][nr][rr][sr][ns][ss]
AW[mn][on][qn][rn][lo][po][mp][pp][rp][mq][pq][rq][lr][or][ls][ps]
CR[oq]

;B[qr]C[B1]MN[1]
;W[op]C[W2]MN[2]
;B[np]C[B3]MN[3]
;W[nq]C[W4]MN[4]

;CR[oq]
)
