(;AB[qr]AB[rr]AW[qs]AW[rs]AW[sr]AW[rq]AB[qq]MA[qq]MA[qr]MA[rr]AB[ii]AB[hi]AW[hh]AW[ih]AB[cn]AB[co]AW[bn]AW[bo]AB[fr]AB[gr]AW[gs]AW[fs]AB[io]AB[ip]AW[jo]AW[jp]LB[pd:T]AW[pr]AB[pq]AW[qp]MA[pq]C[White to capture 4 marked stones. If not possible, click T.]AP[goproblems]
(;W[pd]C[RIGHT])
(;W[oq];B[pp];W[po];B[op];W[np];B[oo];W[on];B[no];W[mo];B[nn];W[nm];B[mn];W[ln];B[mm];W[ml];B[lm];W[km];B[ll];W[lk];B[kl];W[jl];B[kk];W[kj];B[jk];W[ik];B[jj];W[ji];B[ij];W[gi];B[hj];W[hk];B[gj];W[fj];B[gk];W[gl];B[fk];W[ek];B[fl];W[fm];B[el];W[dl];B[em];W[en];B[dm];W[cm];B[dn];W[cp];B[do];W[eo];B[dp];W[dq];B[ep];W[fp];B[eq];W[er];B[fq];W[hr];B[gq];W[gp];B[hq];W[iq];B[hp];W[in];B[ho]
(;W[hn];B[go];W[gn];B[fo])
(;W[go];B[hn];W[hm];B[gn];W[gm];B[fo])))