(;AB[eb]AB[ec]AB[ed]AB[dd]AB[ce]AW[be]AW[cd]AW[cc]AW[dc]AW[db]C[How should B play down the left side?]AP[goproblems]
(;B[bf];W[cf]
(;B[de];W[bg]
(;B[bd];W[af]
(;B[bc];W[bb]
(;B[da];W[cb];B[ab];W[ad])
(;B[ab];W[ad])
(;B[ca];W[cb]
(;B[ab];W[ad])
(;B[ba];W[ad]))
(;B[ac];W[ab])
(;B[ad];W[ae]))
(;B[bb];W[bc])
(;B[cb];W[bc])
(;B[da];W[bc]))
(;B[df];W[cg])
(;B[cg];W[df])
(;B[af];W[ae]
(;B[bd];W[ag]
(;B[bc];W[bb];B[da];W[cb];B[ca];W[ab])
(;B[da];W[bb]))
(;B[df];W[cg];B[bd];W[ag];B[bc];W[bb];B[da];W[cb])))
(;B[df];W[cg]))
(;B[cf];W[bf]
(;B[cg]C[You can't double hane here.RIGHT])
(;B[bg]C[B is left with a weakness below]))
(;B[df];W[cf];B[de];W[cg])
(;B[de];W[bf])
(;B[bd];W[cf];B[de];W[bg]
(;B[bc];W[bb]
(;B[da];W[cb];B[ca];W[ad])
(;B[ab];W[ad]))
(;B[da];W[bc]))
(;B[bb];W[cf];B[de];W[cg]C[W is alive and running along the side.]))