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

Variation 1e]
PL[B]

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

;B[cr]C[B1]MN[1]
;W[cs]C[W2]MN[2]
;B[bs]C[B3]MN[3]
;W[fr]C[W4]MN[4]

;
)
