(;AB[ao]AB[co]AB[dn]AB[dp]AB[eq]AB[er]AB[aq]AB[br]AW[bq]AW[cq]AW[cp]AW[cr]AW[dr]AB[gp]AB[gq]AB[hp]AW[gr]AW[hq]AW[iq]AW[ip]AW[kr]AW[lq]AW[lp]AW[mr]AW[ls]AB[bk]AB[ck]AB[dk]AP[goproblems]
(;W[es]
(;B[fs]
(;W[fr];B[ds];W[cs]
(;B[dq]
(;W[ar];B[as]
(;W[bs];B[bp])
(;W[es]C[waste ko threat at A2]))
(;W[es]C[koRIGHT]))
(;B[es];W[ar];B[as];W[bs];B[ar];W[ap];B[ar];W[bo]
(;B[bn];W[an];B[am];W[bm];B[ao]C[RIGHT])))
(;W[cs];B[ar];W[fr];B[ds]C[waste ko threat at a2])))
(;W[cs];B[ar];W[es];B[fs];W[fr];B[ds]C[waste ko threat at a2])
(;W[ap];B[bp])
(;W[bp]
(;B[ds]
(;W[cs];B[es];W[ar];B[as];W[bs];B[ar];W[bo];B[bn];W[ap];B[ar])
(;W[ap];B[ar])))
(;W[ds];B[es];W[ar];B[as];W[bs];B[cs]C[black take first])
(;W[ar];B[as]
(;W[cs];B[es];W[bs];B[ar];W[ap];B[ar];W[bo]
(;B[bn];W[an];B[am];W[bm];B[ao]C[RIGHT]))
(;W[bs];B[cs];W[ds]
(;B[es];W[bs]C[RIGHT])
(;B[bp]C[RIGHT];W[bs]C[RIGHT]))
(;W[ds];B[es];W[bs];B[cs]))
(;W[bs];B[ar];W[es];B[fs];W[fr];B[ds]))