(;AB[ar]AB[dr]AB[ap]AB[bp]AB[bn]AB[co]AB[dn]AB[en]AB[fn]AB[fo]AB[fp]AB[eq]AW[aq]AW[bq]AW[cp]AW[dp]AW[do]AW[eo]AW[ep]AW[cr]AW[er]AW[fq]AW[gq]AW[hq]AW[gp]AW[go]AW[gn]AW[fm]AW[gl]AW[el]AW[dl]AW[cl]AW[bl]AB[bm]AB[cn]AB[bo]AW[cm]AW[bj]AP[goproblems]
(;B[br];W[dq]
(;B[cq];W[bq]
(;B[bs];W[am];B[an]C[RIGHT])
(;B[aq];W[bs])
(;B[am];W[bs])
(;B[cs];W[bs]C[This is KO and a failure for black. There is another way to get sure life.]))
(;B[cs];W[ds]
(;B[cq];W[bq]
(;B[bs];W[am];B[an]C[RIGHT])
(;B[aq];W[bs])
(;B[am];W[bs]))
(;B[bs];W[as])
(;B[am];W[cq])
(;B[as];W[cq]))
(;B[bs];W[cq])
(;B[am];W[cq])
(;B[ds];W[cq]))
(;B[cs];W[dq]
(;B[br];W[ds]
(;B[cq];W[bq]
(;B[bs];W[am];B[an]C[RIGHT])
(;B[aq];W[bs])
(;B[am];W[bs]))
(;B[bs];W[as])
(;B[am];W[cq])
(;B[as];W[cq]))
(;B[ds];W[bs])
(;B[es];W[bs])
(;B[am];W[ds])
(;B[bs];W[ds]))
(;B[cq];W[dq])
(;B[am];W[dq])
(;B[bs];W[cs])
(;B[fr];W[dq])
(;B[es];W[dq];B[fr];W[eq])
(;B[dq];W[cq])
(;B[ds];W[dq])
(;B[an];W[dq]))