(;GM[1]FF[4]SZ[19]
GN[A common reduction technique]
PC[http://senseis.xmp.net/?B2BomberJosekis]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?B2BomberJosekis

A common reduction technique]
PL[B]

AW[ec][cd][jd][dj]
LB[df:a]

;B[bd]C[B1]MN[1]
;W[be]C[W2]MN[2]
;B[ce]C[B3]MN[3]
;W[bc]C[W4]MN[4]
;B[dd]C[B5]MN[5]
;W[cc]C[W6]MN[6]
;B[bf]C[B7]MN[7]
;W[ad]C[W8]MN[8]
;B[eg]C[B9]MN[9]

;LB[df:a]
)
