(;AW[dp]AW[do]AB[cp]AB[dq]AB[dr]AB[ep]AB[cn]AB[dm]AW[eq]AW[fq]AW[gq]AW[hq]AB[gr]AB[hr]AB[fr]C[The marked black stones are part of a large, eyeless dragon. Try to rescue them.]AW[cq]AW[cl]AW[fm]AW[el]AW[dl]AB[fp]AB[gp]AW[iq]AB[hp]AB[io]AB[ir]AB[jr]AW[jp]AB[em]AW[hn]AW[fo]AW[gm]AW[go]AB[jn]TR[ep]TR[fp]TR[gp]TR[hp]TR[io]TR[jn]AW[kp]AB[kr]AW[bl]AB[lq]AW[lo]AB[km]TR[km]AW[ln]AW[jm]AB[kn]TR[kn]AW[lm]AB[kl]AW[jl]AW[hl]AW[in]AB[jo]TR[jo]TR[kl]AP[goproblems]
(;B[eo]
(;W[co]
(;B[bo];W[bp]
(;B[dn];W[cp]
(;B[an]
(;W[er]
(;B[cr];W[br]
(;B[bq]
(;W[aq];B[ap]C[koRIGHT])
(;W[ap]C[CHOICE]
(;B[ao];W[aq])
(;B[aq];W[ar])
(;B[es];W[cs])
(;B[ds];W[es])
(;B[cs];W[bs])
(;B[bs]
(;W[aq]
(;B[es];W[as];B[ar]C[two stage koRIGHT])
(;B[ar];W[as]C[two stage ko. If black would have played E1 in stead of A2 he could have made the first capture.RIGHT])
(;B[cs];W[ar]
(;B[es];W[as])
(;B[ao];W[es])))
(;W[ar];B[es]C[RIGHT])
(;W[ds];B[ar]C[RIGHT]))
(;B[ar];W[aq];B[bs];W[as]C[two stage ko. If black would have played B1 in stead of A2 he could have made the first capture.RIGHT])))
(;B[ap];W[bq]
(;B[bs];W[ds])
(;B[es];W[cs])))
(;B[es];W[cr]
(;B[ds];W[cs];B[fs];W[ar]
(;B[ap];W[aq]
(;B[br];W[bs])
(;B[bs];W[br]))
(;B[bs];W[br])
(;B[aq];W[ap];B[br];W[bq]))
(;B[cs];W[bs]
(;B[fs];W[ds])
(;B[ds];W[fs]))))
(;W[cr];B[er]
(;W[br];B[aq];W[ap];B[cs];W[bs];B[ar]C[RIGHT])
(;W[ar];B[bs];W[cs];B[ap]
(;W[aq];B[br]C[RIGHT])
(;W[br];B[aq]C[RIGHT]))))
(;B[bn];W[er]
(;B[es];W[cr]
(;B[ds];W[cs];B[fs];W[ar])
(;B[cs];W[bs]
(;B[ds];W[fs])
(;B[fs];W[ds])))
(;B[cr];W[br]
(;B[ap];W[bq]
(;B[bs];W[ds])
(;B[es];W[cs])
(;B[aq];W[cs]))
(;B[bq];W[aq];B[ao];W[cs])))
(;B[cr];W[bn];B[bm];W[ao];B[br];W[bl]
(;B[cm];W[am])
(;B[am];W[cm]))
(;B[ap];W[bn]
(;B[cr];W[ao];B[bq];W[aq])
(;B[an];W[aq];B[bm];W[cr]
(;B[br];W[er])
(;B[cs];W[er])
(;B[ar];W[er])
(;B[er];W[br]))
(;B[bm];W[ao]))
(;B[ao];W[cr];B[er];W[ap];B[bn];W[br]))
(;B[bn]C[NOTTHIS])
(;B[an]C[NOTTHIS])
(;B[ao]C[NOTTHIS])
(;B[bm]C[NOTTHIS])
(;B[cr];W[bn]))
(;B[dn];W[bo]
(;B[bn];W[bp])
(;B[bp];W[bq])
(;B[bq];W[bn]))
(;B[bp];W[bo]
(;B[bq];W[bn])
(;B[bn];W[bq])))
(;W[dn];B[en]))
(;B[co];W[eo])
(;B[ip]C[NOTTHIS])
(;B[ho]C[NOTTHIS])
(;B[km]C[NOTTHIS])
(;B[jm]C[NOTTHIS])
(;B[kn]C[NOTTHIS])
(;B[ko]C[NOTTHIS])
(;B[jo]C[NOTTHIS])
(;B[in]C[NOTTHIS])
(;B[jl]C[NOTTHIS])
(;B[kl]C[NOTTHIS])
(;B[ll]C[NOTTHIS])
(;B[lm]C[NOTTHIS])
(;B[ln]C[NOTTHIS])
(;B[lp]C[NOTTHIS])
(;B[kq]C[NOTTHIS])
(;B[jq]C[NOTTHIS]))