(;GM[1]FF[4]SZ[19]
GN[Alternate solution]
PC[http://senseis.xmp.net/?LipingHuangsProblemSeriesVolume1]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?LipingHuangsProblemSeriesVolume1

Alternate solution]
PL[B]

AB[co][do][bp][ep][fp][gp][hp][ip][jp][bq][jq][br][dr][jr][bs][cs][js]
AW[dp][cq][eq][fq][gq][hq][iq][cr][ir][ds][es][is]

;B[er]C[B1]MN[1]
;W[fs]C[W2]MN[2]
;B[fr]C[B3]MN[3]
;W[gs]C[W4]MN[4]
;B[gr]C[B5]MN[5]
;W[hs]C[W6]MN[6]
;B[cp]C[B7]MN[7]

;
)
