(;GM[1]FF[4]SZ[19]
GN[Dieter's attempt]
PC[http://senseis.xmp.net/?RTGProblem29/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?RTGProblem29/Attempts

Dieter's attempt]
PL[B]

AB[ca][da][db][dc][cd][gd][hd][jd][ce][de][ee][fe]
AW[ba][ab][cb][kb][cc][fc][lc][bd][dd][ed][fd][ld][be]

;B[fb]C[B1]MN[1]
;W[gc]C[W2]MN[2]
;B[gb]C[B3]MN[3]
;W[hc]C[W4]MN[4]
;B[ic]C[B5]MN[5]
;W[hb]C[W6]MN[6]
;B[ib]C[B7]MN[7]

;
)
