(;GM[1]FF[4]SZ[19]
GN[Problem 1]
PC[http://senseis.xmp.net/?UnderTheStonesProblem1/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?UnderTheStonesProblem1/Solution

Problem 1]
PL[B]

AB[fn][gn][hn][eo][io][ip][cq][dq][eq][jq][ar][cr][ir][jr][bs][fs]
AW[go][fp][hp][fq][hq][iq][dr][er][hr][cs][gs]

;B[gr]C[B1]MN[1]
;W[hs]C[W2]MN[2]
;B[fr]C[B3]MN[3]
;W[gq]C[W4]MN[4]
;B[es]C[B5]MN[5]
;W[ds]C[W6]MN[6]

;
)
