(;AB[jb]AB[ib]AB[ic]AB[hc]AB[gc]AB[hd]AB[ge]AB[gf]AW[gd]AW[fd]AW[fc]AW[fb]AB[eb]AB[ea]AB[db]AB[cb]AB[bb]AW[jc]AW[kc]AW[kb]AW[lb]AW[mb]AB[mc]AB[lc]AB[nb]AB[nd]AW[ld]AB[kd]AB[jd]AW[id]AW[ie]AW[he]AW[if]AW[ig]AW[ih]AB[gh]AB[fh]AW[ec]AW[dc]AW[cc]AW[ee]AW[ce]AW[bc]AB[ab]AW[df]AW[ji]AB[je]AB[jf]AB[jg]AW[kf]AW[kj]AW[jj]TR[mb]TR[lb]TR[kb]TR[kc]TR[jc]C[Save the marked stones.]AW[pg]AP[goproblems]
(;W[md];B[nc]
(;W[kg];B[le]
(;W[me];B[mf];W[ne];B[nf];W[oe];B[lf];W[ke]C[RIGHT])
(;W[ke];B[me]))
(;W[ke];B[me];W[le];B[kg];W[lf];B[lg];W[mf];B[ma])
(;W[jh];B[le]))
(;W[kg];B[le])
(;W[ke];B[le])
(;W[jh];B[le])
(;W[gb];B[ma])
(;W[ja];B[ma])
(;W[le];B[ma])
(;W[gg];B[ma])
(;W[na];B[ma];W[la];B[oa]))