(;GM[1]FF[4]SZ[19]
GN[I don't think this works.]
PC[http://senseis.xmp.net/?GokyoShumyoSection6Problem23/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection6Problem23/Attempts

I don't think this works.]
PL[B]

AB[cb][gb][cc][gc][ic][dd][gd][ce][ge][cf][ef][ch]
AW[db][ib][dc][fc][jc][fd][jd][ee][df][ff][if][gg][eh]
CR[db][dc]
LB[ca:d][eb:c][fb:b][ec:a]

;B[da]C[B1]MN[1]
;W[ea]C[W2]MN[2]

;CR[db][dc]
LB[ca:d][eb:c][fb:b][ec:a]
)
