(;SZ[10]AW[ab]AW[bb]AW[cb]AW[db]AW[da]AB[eb]AB[fb]AB[dc]AB[cc]AB[bc]AB[be]AB[ag]AB[bg]AW[aj]AW[ch]AW[dh]AW[eh]AW[fh]AW[gh]AW[gi]AW[gj]AW[hh]AW[ih]AW[ii]AW[ij]AB[bh]AB[bi]AB[ai]AB[ci]AW[dj]AW[di]AW[fi]AW[fj]AB[cg]AB[dg]AB[eg]AB[fg]AB[gg]AB[hg]AB[ig]AB[jg]AB[jh]AB[ji]AB[jj]AB[df]AB[de]AB[ee]AB[fe]AB[fd]AB[gd]AB[hd]AB[hc]AB[hb]AB[ha]C[Please find the best result for Black!]AP[goproblems]
(;B[ba]C[.FORCE]
(;W[cj]C[.];B[bj]C[Well done;)RIGHT])
(;W[bj]C[.];B[cj]C[Well done;)RIGHT]))
(;B[aa]C[.FORCE];W[ba]C[Nope.])
(;B[ca]C[.FORCE];W[ba]C[Nope.])
(;B[bj]C[.FORCE];W[ba]C[Nope.])
(;B[cj]C[.FORCE];W[ba]C[Nope.]))