(;AB[jj]AB[ji]AW[jh]AW[ih]AW[ik]AW[jk]AW[kk]AW[lk]AB[lj]AW[mk]AB[nk]AB[nj]AB[ni]AB[nh]AB[ng]AB[nl]AW[kh]AW[lh]AW[mh]C[black to move. help the marked stones escape.]TR[ji]TR[jj]AW[hh]AW[hi]AW[hj]AW[hk]AP[goproblems]
(;B[li]C[bamboo joint (''takefu'' in Japanese).RIGHT])
(;B[kj];W[mj]
(;B[mi];W[li])
(;B[li];W[mi])
(;B[ki];W[li])
(;B[ii];W[mi])
(;B[ij];W[mi]))
(;B[ki];W[mj]
(;B[mi];W[li])
(;B[li];W[mi])
(;B[kj];W[li])
(;B[ii];W[mi])
(;B[ij];W[mi]))
(;B[mi];W[li]
(;B[kj];W[mj])
(;B[mj];W[kj])
(;B[ki];W[mj])
(;B[ii];W[mj])
(;B[ij];W[mj]))
(;B[mj];W[kj]
(;B[ki];W[li])
(;B[li];W[ki])
(;B[mi];W[li])
(;B[ii];W[li])
(;B[ij];W[li]))
(;B[ii];W[mj]
(;B[li];W[mi])
(;B[mi];W[li])
(;B[ki];W[mi])
(;B[kj];W[mi])
(;B[ij];W[mi]))
(;B[ij];W[mj]
(;B[mi];W[li])
(;B[li];W[mi])
(;B[kj];W[mi])
(;B[ki];W[mi])
(;B[ii];W[mi])))