(;AW[bb]AW[cb]AB[cc]AB[bc]AW[dc]AW[de]AW[ee]AB[be]AB[ce]AW[bf]AW[bg]AW[cf]AW[bh]AW[bi]AW[bj]AB[ck]AB[cj]AB[ci]AB[ch]AB[cg]AB[df]AB[ef]AB[eh]AB[fe]AB[db]TR[db]AW[ff]AW[gf]AW[gh]C[White to play.]AP[goproblems]
(;W[dd]
(;B[eb]
(;W[ac]
(;B[ad]
(;W[cd];B[ab];W[bd]C[RIGHT])
(;W[ab];B[cd]
(;W[fd];B[ca])
(;W[ed];B[fd])
(;W[ec];B[fc])
(;W[af];B[ec]))
(;W[ae];B[ab])
(;W[bd];B[cd]))
(;B[bd];W[ae]C[RIGHT]))
(;W[ae];B[ab])
(;W[cd];B[bd]
(;W[fd];B[ab])
(;W[ae];B[ec])
(;W[ac];B[ec])
(;W[ed];B[fd])
(;W[ec];B[fc]))
(;W[bd];B[cd])
(;W[fd];B[ab])
(;W[ad];B[cd]
(;W[fd];B[ab]
(;W[ac];B[ba]C[Black can start a ko for everything.])
(;W[ae];B[ba]))
(;W[ed];B[fd])
(;W[ec];B[fc])
(;W[ae];B[ec])
(;W[ac];B[ec])))
(;B[cd];W[eb]C[RIGHT]))
(;W[ec];B[eb]
(;W[fc];B[ab])
(;W[fb];B[dd]
(;W[ed];B[fc];W[cd];B[fd])
(;W[fc];B[ed])))
(;W[ed];B[ec]
(;W[dd];B[fd])
(;W[fd];B[dd]))
(;W[cd];B[ed]
(;W[dd];B[ec])
(;W[ec];B[dd])
(;W[bd];B[dd])
(;W[eb];B[dd]))
(;W[eb];B[dd]
(;W[ec];B[ed])
(;W[ed];B[ec]))
(;W[fd];B[dd]
(;W[ed];B[ec])
(;W[ec];B[ed])))