It took me at least nine hours to make this problem. Everytime I came up with moves that were a must in the end, did not work in the beginning. I will kill you if you say I missed something. I did this on my birthday after all. At least most of the time.
(;SZ[19]AW[fa]AW[qa]AW[eb]AW[fb]AW[ib]AW[qb]AW[ic]AW[gd]AW[kd]AW[ld]AW[od]AW[rd]AW[pe]AW[hg]AW[pg]AW[gi]AW[gj]AW[fk]AW[lk]AW[fl]AW[gl]AW[fm]AW[en]AW[hn]AW[mn]AW[eo]AW[go]AW[fp]AW[gp]AW[cq]AW[iq]AB[ha]AB[ia]AB[ja]AB[ka]AB[la]AB[ma]AB[oa]AB[gb]AB[fc]AB[pc]AB[nd]AB[le]AB[se]AB[gf]AB[sf]AB[og]AB[sg]AB[sh]AB[hi]AB[si]AB[cj]AB[hj]AB[sj]AB[ck]AB[gm]AB[lm]AB[an]AB[fn]AB[gn]AB[ao]AB[fo]AB[ap]AB[ds]AB[es]AB[fs]AB[gs]C[Can black save his stones using ladder? White can not use other tricks.]LB[pm:No]GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]KM[0.00]
(;B[hm]
(;W[im];B[hl];W[hk];B[il];W[jl];B[ik];W[ij]
(;B[jk];W[jj]
(;B[kk];W[kl];B[kj];W[ki]
(;B[lj];W[mj];B[li];W[lh]
(;B[mi];W[ni];B[mh];W[mg]
(;B[nh];W[oh];B[ng];W[nf]
(;B[of];W[oe];B[gk];W[pf];B[hk];W[hh];B[ii];W[ji];B[ih];W[ig];B[jh];W[kh];B[jg];W[jf];B[kg];W[lg];B[kf];W[ke];B[lf];W[mf];B[me];W[ne];B[md]
(;W[nc];B[mc];W[mb];B[lc];W[lb];B[kc];W[kb];B[jc];W[jb];B[jd];W[je];B[id];W[hd];B[ie];W[if];B[he];W[ge];B[hf];W[ff];B[gg];W[gh];B[fg];W[eg];B[fh];W[eh];B[fi];W[fj];B[ei];W[di];B[ej];W[dj];B[ek];W[dk];B[el];W[em];B[dl];W[cl];B[dm];W[cm];B[dn];W[do];B[cn];W[bn];B[co];W[bo];B[cp];W[bp];B[dp];W[ep];B[dq];W[dr];B[eq];W[er];B[fq];W[fr];B[gq];W[gr];B[hq];W[hr];B[hp];W[ho];B[ip];W[jp];B[io];W[in];B[jo];W[ko];B[jn];W[jm];B[kn];W[ln];B[km];W[ll];B[mm];W[nm];B[ml];W[mk];B[nl];W[ol];B[nk];W[nj];B[ok];W[pk];B[oj];W[oi];B[pj];W[qj];B[pi];W[ph];B[qi];W[ri];B[qh];W[rh];B[qg];W[rg];B[qf];W[rf];B[qe];W[re];B[qd];W[qc];B[pd];W[oc];B[pb];W[pa];B[ob];W[nb];B[na];W[ga];B[hb];W[hc];B[gc];W[ec];B[fd];W[fe];B[ed];W[dd]
(;B[ee];W[ef];B[de];W[ce];B[df];W[cf];B[dg];W[dh];B[cg];W[bg];B[ch];W[ci];B[bi]C[RIGHT]))
(;W[mc];B[nc];W[nb];B[oc]))
(;B[gk];W[of];B[hk];W[hh];B[ii];W[ji];B[ih];W[ig];B[jh];W[kh];B[jg];W[jf];B[kg];W[lg];B[kf];W[ke];B[lf];W[mf];B[me];W[md];B[ne];W[nc]C[]))
(;B[gk];W[nh];B[hk];W[hh];B[ii];W[ji];B[ih];W[ig];B[jh];W[kh];B[jg];W[jf];B[kg];W[lg];B[kf];W[ke];B[lf];W[me];B[mf];W[nf]C[Epic fail]))
(;B[gk];W[mi];B[hk];W[hh];B[ii];W[ji];B[ih];W[ig];B[jh];W[kh];B[jg];W[jf];B[kg];W[lg];B[kf];W[lf];B[ke];W[me];B[je];W[ie];B[jd];W[jc];B[if];W[id];B[jf];W[hf]C[Go back to school boy]))
(;B[gk];W[lj];B[hk];W[hh];B[ii];W[ji];B[ih];W[jh];B[ig];W[if];B[jg];W[kg];B[jf];W[je];B[kf];W[lf];B[ke];W[me]C[])))
(;B[gk];W[jk];B[hk];W[ii];B[hh];W[gh];B[ih];W[jh];B[ig];W[if];B[jg];W[kg];B[jf];W[je];B[kf];W[lf];B[ke];W[me]C[])))
(;B[pm]C[]))