(;GM[1]FF[4]SZ[19]
GN[Sub-diagram (1)]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem36/Solution]AP[GoWiki:2009]
DT[2009-06-01]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem36/Solution

Sub-diagram (1)]
PL[B]

AB[fq][gq][iq][dr][er][gr][ir]
AW[eo][go][cp][hp][jp][dq][eq][jq][cr][jr][fs]

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

;
)
