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

Reducing each other]
PL[B]

AB[bc][hc][kc][cd][ce][dg][cj][ok][qk][ko][qo][kq][pq]
AW[cb][cc][ec][mc][pc][dd][qf][qi][cl][io][cp][ep][iq]
LB[gq:b][ir:a]

;B[jm]C[B1]MN[1]
;W[mk]C[W2]MN[2]
;B[hm]C[B3]MN[3]
;W[mm]C[W4]MN[4]
;B[oi]C[B5]MN[5]
;W[mi]C[W6]MN[6]
;B[og]C[B7]MN[7]

;LB[gq:b][ir:a]
)
