I cannot render the full puzzle here. Take a look at: http://senseis.xmp.net/?HermanHiddema%2FHungerinksVitalPointsProblem or at http://www.lifein19x19.com/forum/viewtopic.php?f=10&t=9417
(;AB[ds]AB[es]AB[er]AB[fr]AB[cr]AB[cq]AB[cp]AB[do]AB[dn]AB[dm]AB[ck]AB[cj]AB[ci]AB[dl]AB[ch]AB[bg]AB[bf]AB[be]AB[ae]AB[ce]AB[de]AB[ed]AB[fd]AB[gc]AB[hc]AB[ic]AB[hd]AB[he]AB[gf]AB[gg]AB[gh]AB[fi]AB[fj]AB[fk]AB[fl]AB[fm]AB[jb]AB[kb]AB[la]AB[ma]AB[na]AB[oa]AB[ob]AB[oc]AB[od]AB[pe]AB[pf]AB[qg]AB[rh]AB[ri]AB[sj]AB[sn]AB[sm]AB[sl]AB[sk]AB[ro]AB[rp]AB[qq]AB[ps]AB[pr]AB[or]AB[nr]AB[ki]AB[li]AB[nj]AB[mk]AB[mh]AB[mg]AB[lf]AB[kf]AB[jg]AB[jh]AW[cs]AW[bs]AW[br]AW[bq]AW[bp]AW[co]AW[cn]AW[cm]AW[cl]AW[bk]AW[bj]AW[bi]AW[bh]AW[ag]AW[af]AW[cf]AW[df]AW[ee]AW[fe]AW[aa]AW[ba]AW[bb]AW[cb]AW[ca]AW[da]AW[ga]AW[fa]AW[ea]AW[lb]AW[mb]AW[nb]AW[nc]AW[nd]AW[oe]AW[of]AW[nf]AW[mf]AW[le]AW[ke]AW[je]AW[ie]AW[id]AW[hf]AW[if]AW[ig]AW[ih]AW[ii]AW[hg]AW[hh]AW[gi]AW[gj]AW[gk]AW[gl]AW[gm]AW[fn]AW[eo]AW[dr]AW[dq]AW[eq]AW[gr]AW[hr]AW[gs]AW[fs]AW[is]AW[ns]AW[os]AW[mr]AW[mq]AW[nq]AW[oq]AW[pq]AW[qp]AW[qo]AW[rn]AW[rm]AW[rl]AW[rk]AW[rj]AW[qi]AW[qh]AW[pg]AW[oh]AW[nh]AW[mi]AW[lj]AW[kj]AW[ji]AW[kh]AW[lg]MA[mj]LB[fq:A]C[Creat small life inside. Start at A and demonstrate the point of the problem. ''Let your eyes find the vital points, and research what can be expected when one of the players starts.'']TR[ki]TR[li]TR[mh]TR[mg]TR[lf]TR[kf]TR[jg]TR[jh]AB[hs]AP[goproblems]
(;B[fq];W[fp];B[gq];W[hq];B[gp];W[go];B[hp];W[ip];B[ho];W[hn];B[io];W[jo];B[in];W[im];B[jn];W[kn];B[jm];W[jl];B[km];W[lm];B[kl];W[kk];B[ll];W[ml];B[lk];W[nk];B[mj];W[oj];B[ni];W[oi]
(;B[lh];W[mi];B[kg]C[RIGHT])
(;B[kg];W[jf])
(;B[mi];W[ng]
(;B[kg];W[lh])
(;B[jf]
(;W[lh])
(;W[kg])))
(;B[jj];W[mi])
(;B[jk];W[mi];B[lh];W[ng]))
(;B[lh];W[ng])
(;B[kg];W[jf])
(;B[jf];W[kg])
(;B[mj];W[lh])
(;B[ni];W[mj]))