(;AB[br]AB[ar]AB[cq]AW[bs]AW[cr]AW[dr]AW[dq]AB[eq]AB[fq]AW[dp]AW[ep]AW[fp]AB[cp]AW[cn]AW[dn]AW[co]AW[en]AB[bo]AB[bn]AB[cm]AB[bl]AB[dm]AW[fn]AW[em]AB[gp]AB[dk]AB[ek]AB[hl]AW[fl]AB[hk]AB[hm]AB[go]AB[iq]AW[in]AB[kq]AW[gl]AB[gn]AB[gj]AW[jm]AW[kl]AW[gm]AB[ij]AW[dl]AB[ck]AW[fo]C[Black to play.]AP[goproblems]
(;B[el]
(;W[fr]
(;B[gr];W[er]
(;B[cs];W[ds]
(;B[fs];W[gq]
(;B[fq];W[hq]
(;B[hr];W[hp]
(;B[io]C[White cannot escape.RIGHT])
(;B[ip];W[ho])
(;B[ho];W[ip])
(;B[hn];W[io]))
(;B[hp];W[hr])
(;B[ip];W[hr]))
(;B[hq];W[fq])
(;B[hr];W[fq]))
(;B[gq];W[fs]))
(;B[fs];W[es]
(;B[cs];W[gq]
(;B[fq];W[hq]
(;B[hr];W[hp]
(;B[io]C[White cannot escape.RIGHT])
(;B[ip];W[ho])
(;B[ho];W[ip])
(;B[hn];W[io]))
(;B[hp];W[hr])
(;B[ip];W[hr]))
(;B[hq];W[fq])
(;B[hr];W[fq]))
(;B[gq];W[cs]))
(;B[gq];W[fs]))
(;B[gq];W[er])
(;B[er];W[gq])
(;B[cs];W[gr]
(;B[gq];W[er])
(;B[er];W[gq])
(;B[hr];W[gq])))
(;W[er];B[fr]C[RIGHT])
(;W[gq];B[gr];W[hq];B[hp];W[hr];B[ir];W[fr];B[hs];W[er];B[cs]C[RIGHT])
(;W[gr];B[gq]
(;W[er];B[fr]C[RIGHT])
(;W[fr];B[er]C[RIGHT])))
(;B[er];W[el])
(;B[fr];W[el])
(;B[gr];W[el])
(;B[gq];W[el]))