(;GM[1]FF[4]SZ[19]
GN[Second line support]
PC[https://senseis.xmp.net/?GokyoSeimyoVolume3Problem32/Solution]AP[GoWiki:2009]
DT[2023-02-15]
C[Diagram from https://senseis.xmp.net/?GokyoSeimyoVolume3Problem32/Solution

Second line support]
PL[B]

AB[bm][cm][cn][co][dp][dq][eq][dr][cs][ds][es]
AW[dn][fp][cq][fq][ar][cr][er][fr][bs]
CR[bm]

;B[bq]C[B1]MN[1]
;W[bp]C[W2]MN[2]
;B[cp]C[B3]MN[3]
;W[br]C[W4]MN[4]
;B[ap]C[B5]MN[5]
;W[bo]C[W6]MN[6]
;B[ao]C[B7]MN[7]
;W[aq]C[W8]MN[8]
;B[an]C[B9]MN[9]

;CR[bm]
)
