(;AW[bq][cq][dq][cp][ep][fp][gp][ho][hn][hm][gl][fl][el][dl][cl][bm]AB[em][fm][gm][gn][go][dn][do][dp][cn][co][bn][ao][bp]C[Black to live]SZ[19] (;B[fo];W[eo] (;B[en]C[RIGHT]) (;B[dm];W[en]) (;B[ap];W[en]) (;B[an];W[en]) (;B[am];W[al] (;B[ap];W[en]) (;B[en];W[an]LB[bo:a]C[Black now has to fight ko to get second eye at a.]))) (;B[eo];W[fo] (;B[fn];W[dm]) (;B[en]) (;B[dm];W[fn]) (;B[am];W[al];B[fn];W[dm])) (;B[en];W[fo]) (;B[dm];W[eo]) (;B[am];W[al];B[fo];W[eo];B[en];W[an]C[Black now has to fight ko to get second eye at a.]LB[bo:a]) (;B[ap];W[fo]))