(;AW[bq]AB[cp]AB[co]AB[do]AW[en]AW[em]AW[eo]AW[ep]AW[eq]AW[dq]AW[dr]AW[ds]AB[er]AB[fq]AB[fr]AB[gp]AB[gn]AB[fm]AB[fl]AB[el]AW[cn]AW[cm]AW[bo]AW[ao]AB[an]AB[bn]AB[bm]AB[cl]AB[bk]AB[bl]AB[ck]AB[ak]AB[dk]AB[ek]AB[gm]AB[fs]AB[gq]AB[go]AB[fk]AB[gk]AB[hk]AW[hl]AW[hm]AW[hn]AB[gr]AB[hr]AB[hs]AB[ir]AB[jr]AB[js]AB[kr]AB[lr]AB[ls]AW[ho]AW[hp]AW[hq]AW[iq]AW[il]AW[jl]AW[kl]AW[kn]AW[km]AW[ko]AW[kp]AW[kq]AW[jq]AB[ik]AB[jk]AB[kk]AB[lk]AB[ll]AB[lm]AB[ln]AB[lp]AB[lq]AW[lo]AW[mo]AB[ns]AW[no]AW[np]AW[nq]AW[oq]AW[pq]AW[qq]AW[qp]AW[qo]AW[qn]AW[qm]AW[ql]AW[pl]AW[ol]AW[nl]AW[nm]AW[nn]AB[mn]AB[mm]AB[ml]AB[mk]AB[mr]AB[nr]AB[or]AB[pr]AB[ps]AB[qr]AB[rr]AB[rs]AB[sr]AB[mq]AB[mp]AW[ro]AW[so]AB[rq]AB[rp]AB[sp]AB[nk]AB[ok]AB[pk]AB[qk]AB[rk]AB[sk]AB[rl]AB[rm]AB[rn]AB[sn]AB[sm]AB[sl]LB[aq:a]LB[bp:b]LB[cq:c]LB[br:d]AB[gl]AP[goproblems]
(;B[aq]LB[bp:a];W[bp]LB[br:a]LB[cq:b]
(;B[br]LB[cq:a];W[cq])
(;B[cq]LB[br:a];W[br]))
(;B[bp]LB[aq:a];W[aq]LB[ap:a]LB[cq:b]LB[br:c]LB[bs:d]
(;B[ap]LB[bs:a];W[bs])
(;B[cq]LB[cr:a];W[cr]LB[ap:a]LB[br:b]LB[bs:c]
(;B[ap]LB[bs:a];W[bs])
(;B[br]LB[bs:a];W[bs])
(;B[bs]LB[br:a];W[br]LB[ap:a];B[ap]LB[as:a];W[as]LB[ar:a];B[ar]LB[cs:a];W[cs]))
(;B[br]LB[cq:a];W[cq]LB[ap:a];B[ap]LB[bs:a];W[bs]LB[ar:a]LB[cr:b]
(;B[ar]LB[cr:a];W[cr])
(;B[cr]LB[ar:a];W[ar]))
(;B[bs]LB[cq:a];W[cq]LB[ap:a];B[ap]LB[br:a];W[br]LB[cs:a];B[cs]LB[as:a];W[as]LB[ar:a];B[ar]LB[cr:a];W[cr]))
(;B[cq]LB[br:a]LB[cr:b]
(;W[br]LB[bp:a]LB[cr:b]
(;B[bp]LB[aq:a]LB[cr:b]
(;W[aq]LB[ap:a]LB[cr:b]
(;B[ap]LB[cr:b];W[cr]LB[bs:a];B[bs]LB[as:a];W[as]LB[ar:a];B[ar]LB[cs:a];W[cs])
(;B[cr]LB[cs:a];W[cs]LB[ap:a];B[ap]C[RIGHT]))
(;W[cr]LB[aq:a]LB[bs:b]
(;B[aq]LB[ar:a];W[ar]LB[bs:a];B[bs]C[RIGHT];W[ap]LB[aq:a];B[aq]C[RIGHT])
(;B[bs]LB[aq:a];W[aq]LB[ap:a];B[ap]LB[as:a];W[as]LB[ar:a];B[ar]LB[cs:a];W[cs])))
(;B[cr]LB[bp:a];W[bp]))
(;W[cr]LB[bp:a]LB[aq:b]LB[br:c]
(;B[bp]LB[aq:a];W[aq]LB[ap:a]LB[bs:b]
(;B[ap]LB[bs:a];W[bs])
(;B[bs]LB[br:a];W[br]LB[ap:a]LB[as:b]
(;B[ap]LB[as:a];W[as]LB[ar:a];B[ar]LB[cs:a];W[cs])
(;B[as]LB[ap:a];W[ap])))
(;B[aq]LB[bp:a]LB[ar:b]LB[br:c]LB[bs:d]
(;W[bp]LB[br:a];B[br]C[RIGHT])
(;W[ar]LB[bp:a]LB[bs:b]
(;B[bp]LB[bs:a];W[bs])
(;B[bs]LB[ap:a]LB[bp:b]
(;W[ap]LB[bp:a];B[bp]C[RIGHT])
(;W[bp]LB[br:a];B[br]C[RIGHT])))
(;W[br]LB[bp:a];B[bp]LB[ar:a]LB[bs:b]
(;W[ar]LB[bs:a];B[bs]LB[ap:a];W[ap]LB[aq:a];B[aq]C[RIGHT])
(;W[bs]LB[ar:a];B[ar]C[RIGHT]))
(;W[bs]LB[bp:a]LB[ar:b]
(;B[bp]LB[ar:a];W[ar]C[It's a ko, black can do better.])
(;B[ar]LB[bp:a]LB[br:b]
(;W[bp]LB[br:a];B[br]C[RIGHT])
(;W[br]LB[bp:a];B[bp]C[RIGHT]))))
(;B[br]LB[bs:a];W[bs]LB[bp:a]LB[ar:b]
(;B[bp]LB[ar:a];W[ar])
(;B[ar]LB[aq:a];W[aq]LB[bp:a];B[bp]LB[as:a];W[as]))))
(;B[br]LB[cq:a];W[cq]LB[aq:a]LB[bp:b]
(;B[aq]LB[bp:a];W[bp])
(;B[bp]LB[aq:a];W[aq]LB[ap:a];B[ap]LB[bs:a];W[bs]LB[ar:a]LB[cr:b]
(;B[ar]LB[cr:a];W[cr])
(;B[cr]LB[ar:a];W[ar]))))