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

Variation 1a]
PL[W]

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

;W[fs]C[W1]MN[1]
;B[cs]C[B2]MN[2]
;W[er]C[W3]MN[3]

;
)
