(;GM[1]FF[4]SZ[13:19]
GN[]
PC[http://senseis.xmp.net/?posting=1684]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?posting=1684

]
PL[B]

AB[ap][bp][cp][dp][ep][fp][gp][hp][ip][jp][kp][iq][jq][lq][br][er][fr][gr][hr][lr][bs][hs][is]
AW[aq][bq][cq][dq][eq][fq][gq][hq][kq][ar][dr][ir][jr][kr][cs][es][fs][ks][ls]
LB[mq:a][ms:b]

;B[mr]C[B1]MN[1]
;W[lp]C[W2]MN[2]
;B[lo]C[B3]MN[3]
;W[ds]C[W4]MN[4]

;LB[mq:a][ms:b]
)
