(;AB[pq]AB[po]AB[qn]AB[qm]AB[qk]AB[pj]AB[pi]AB[qh]AB[qg]AB[qf]AB[qe]AB[rg]AW[rh]AW[ri]AW[qi]AW[qj]AW[ph]AW[pg]AW[pe]AB[pd]AB[pc]AB[qc]AB[rb]AW[sb]AW[rc]AW[rd]AW[qd]AW[re]AW[sd]AW[oe]AW[od]AW[nc]AW[pm]AB[dp]AW[dd]TR[qi]TR[ri]TR[rh]TR[qj]C[black to catch the marked white stones...]AP[goproblems]
(;B[sh];W[rk]
(;B[si];W[rj]
(;B[rl];W[pk]
(;B[sk];W[ql]
(;B[sj];W[qk]
(;B[ok];W[pl]
(;B[om];W[oj]
(;B[oi];W[ol]
(;B[nl];W[nk]
(;B[pn];W[ok]
(;B[mk];W[nj]
(;B[ni]C[shichoRIGHT])
(;B[mj];W[ni])
(;B[mi];W[ni]))
(;B[nj];W[mk]))
(;B[nj];W[mk])
(;B[mk];W[nm]))
(;B[nk];W[nl])
(;B[pn];W[nl])
(;B[nj];W[nl]))
(;B[ol];W[oi])
(;B[pn];W[oi]))
(;B[ol];W[oj];B[oi];W[om];B[nm];W[nl];B[nk];W[nn];B[mm];W[nj];B[mk];W[ni])
(;B[pn];W[oj];B[oi];W[nl])
(;B[on];W[oj];B[oi];W[nl]))
(;B[ol];W[oj])
(;B[pl];W[ok])
(;B[pf];W[of]))
(;B[ok];W[rm];B[sl];W[sm])
(;B[sm];W[oj])
(;B[ol];W[rm])
(;B[pl];W[oj])
(;B[sl];W[oj]))
(;B[ql];W[oj])
(;B[ok];W[ql])
(;B[pl];W[ok])
(;B[ol];W[ql])
(;B[sj];W[ql];B[sk];W[qk];B[ok];W[pl];B[om];W[oj];B[oi];W[ol];B[nl];W[nk];B[pn];W[ok];B[mk];W[nj];B[ni]C[RIGHT]))
(;B[sj];W[sk];B[sg];W[pk];B[rl];W[ql];B[sl];W[qk];B[ok];W[pl])
(;B[ql];W[rf])
(;B[sk];W[rl])
(;B[pk];W[pf])
(;B[pl];W[pf]))
(;B[rl];W[si]
(;B[sg];W[pk]
(;B[ql];W[oj])
(;B[ok];W[ql]))
(;B[sk];W[sg]))
(;B[rj];W[sj])
(;B[ql];W[si];B[sg];W[sj];B[sl];W[rl])
(;B[sj];W[pk]
(;B[rj];W[ql])
(;B[ql];W[oj]))
(;B[pk];W[si]))
(;B[rk];W[pf]
(;B[rj];W[sg])
(;B[sg];W[sf])
(;B[si];W[sg])
(;B[sh];W[rf]))
(;B[rj];W[rk])
(;B[ql];W[pf])
(;B[sg];W[rk])
(;B[si];W[rk];B[sh];W[rj];B[rl];W[pk]
(;B[sk];W[ql];B[sj];W[qk];B[ok];W[pl];B[om];W[oj];B[oi];W[ol];B[nl];W[nk];B[pn];W[ok];B[mk];W[nj];B[ni]C[RIGHT])
(;B[sj];W[ql];B[sk];W[qk];B[ok];W[pl];B[om];W[oj];B[oi];W[ol];B[nl];W[nk];B[pn];W[ok];B[mk];W[nj];B[ni]C[RIGHT]))
(;B[sj];W[rk]
(;B[sh];W[pk]
(;B[rj];W[ql])
(;B[ql];W[oj]))
(;B[rj];W[sk])
(;B[si];W[sh])
(;B[rl];W[pk];B[ok];W[ql]))
(;B[sk];W[pf];B[sg];W[sf])
(;B[pk];W[pf])
(;B[pf];W[of])
(;B[rf];W[pf])
(;B[qa];W[pf])
(;B[pl];W[pf])
(;B[rl];W[pf])
(;B[sf];W[pf]))
adum