(;GM[1]FF[4]SZ[19]
GN[Variation 1b]
PC[http://senseis.xmp.net/?RTGProblem24/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?RTGProblem24/Solution

Variation 1b]
PL[B]

AB[em][gm][bn][dn][hn][in][bo][bp][cp][hp][ip][aq][bq][iq][cr][dr][ir][bs][cs][es][is]
AW[kn][co][eo][fo][go][dp][ep][gp][kp][cq][dq][gq][hq][kq][ar][br][er][gr][kr][fs][hs][ks]

;B[fq]C[B1]MN[1]
;W[hr]C[W2]MN[2]
;B[fr]C[B3]MN[3]

;
)
