(;SZ[18]AB[bq]AB[aq]AB[br]AB[bp]AB[bo]AB[dq]AB[dp]AB[do]AB[co]AW[cq]AW[dr]AW[er]AW[eq]AW[ep]AW[eo]AW[en]AW[dn]AW[cn]AW[bn]AW[an]AB[rn]AB[qn]AB[pn]AB[on]AB[nn]AB[no]AB[np]AB[nq]AB[nr]AW[rq]AW[qq]AW[qr]AW[qp]AW[qo]AW[po]AW[oo]AW[op]AW[oq]AB[pq]AW[pr]AB[or]AW[rp]AB[ro]AW[em]AW[el]AW[dl]AW[cl]AW[bl]AW[al]AB[nm]AB[nl]AB[ol]AB[pl]AB[ql]AB[rl]AW[fr]AW[fq]AW[fp]AW[fn]AW[fo]AW[fl]AW[fm]AB[mr]AB[mq]AB[mp]AB[mo]AB[mn]AB[ml]AB[mm]AW[gl]AW[gm]AW[gn]AW[go]AW[gp]AW[gr]AW[gq]AB[lr]AB[lq]AB[lp]AB[lo]AB[ln]AB[lm]AB[ll]AW[hr]AW[hq]AW[hp]AW[ho]AW[hn]AW[hm]AW[hl]AB[kr]AB[kq]AB[kp]AB[ko]AB[kn]AB[km]AB[kl]AW[ir]AW[iq]AW[ip]AW[io]AW[in]AW[il]AW[im]AB[jr]AB[jq]AB[jp]AB[jo]AB[jn]AB[jm]AB[jl]AB[aa]AB[ba]AB[ca]AB[da]AB[ea]AB[fa]AB[ga]AB[ha]AB[ia]AB[ja]AB[ka]AB[ma]AB[la]AB[oa]AB[na]AB[pa]AB[qa]AB[ra]AB[rc]AB[pc]AB[qc]AB[oc]AB[nc]AB[mc]AB[lc]AB[kc]AB[jc]AB[ic]AB[hc]AB[gc]AB[fc]AB[ec]AB[cc]AB[dc]AB[bc]AB[ac]AW[ad]AW[bd]AW[cd]AW[dd]AW[ed]AW[fd]AW[gd]AW[hd]AW[id]AW[jd]AW[kd]AW[ld]AW[md]AW[nd]AW[pd]AW[od]AW[qd]AW[rd]AW[rf]AW[qf]AW[of]AW[pf]AW[nf]AW[mf]AW[lf]AW[jf]AW[kf]AW[if]AW[hf]AW[ff]AW[gf]AW[ef]AW[df]AW[cf]AW[bf]AW[af]AW[ik]AW[ij]AW[hj]AW[gj]AW[fj]AW[ej]AW[dj]AW[cj]AW[bj]AW[aj]AB[jk]AB[jj]AB[kj]AB[lj]AB[mj]AB[nj]AB[oj]AB[pj]AB[qj]AB[rj]AW[ii]AW[ih]AW[ig]AB[ji]AB[jh]AB[jg]AW[hi]AW[hh]AW[hg]AW[gg]AW[gi]AW[gh]AW[fi]AW[fh]AW[fg]AW[eg]AW[eh]AW[ei]AW[di]AW[dh]AW[dg]AW[cg]AW[ch]AW[ci]AW[bi]AW[bh]AW[bg]AW[ag]AW[ah]AW[ai]AB[ki]AB[kh]AB[kg]AB[lg]AB[lh]AB[li]AB[mi]AB[mh]AB[mg]AB[ng]AB[nh]AB[ni]AB[oi]AB[oh]AB[og]AB[pg]AB[ph]AB[pi]AB[qi]AB[qh]AB[qg]AB[rg]AB[rh]AB[ri]LB[ao:a]LB[ap:b]LB[cp:c]LB[cr:d]C[Do the best of black to make this game tie.FORCE]AP[goproblems] (;B[ao]LB[cr:a]C[FORCE];W[cr]LB[cp:a]C[FORCE];B[cp]) (;B[ap]LB[cr:a]C[FORCE];W[cr]) (;B[cp]LB[cr:a]C[FORCE];W[cr]LB[ao:a]C[FORCE];B[ao]) (;B[cr]LB[ao:a]C[FORCE];W[ao]LB[ap:a]LB[cp:b]C[FORCE] (;B[ap]C[RIGHT]) (;B[cp]LB[ap:a]C[FORCE];W[ap])))