(;SZ[13]AB[lc]AB[kb]AB[jc]AB[jd]AB[id]AB[ic]AB[hd]AB[ie]AW[kd]AW[kc]AW[le]AW[me]AW[mf]AW[je]AW[jf]AW[kf]AW[jg]AW[if]AW[lg]AW[ih]AW[hc]AW[gc]AB[gd]AW[fb]AW[fd]AW[ec]AW[dc]AW[lb]C[Black to save the marked stone.]AB[ge]AB[gf]AB[hg]AB[ig]AB[hh]AW[hf]AW[he]AB[hi]AB[gi]AW[ii]AW[ji]TR[lc]AP[goproblems]
(;B[mb]
(;W[ld]
(;B[la]C[CHOICERIGHT])
(;B[mc];W[la];B[ka];W[jb];B[ma];W[ib]))
(;W[jb];B[la];W[ib]C[CHOICERIGHT])
(;W[la];B[ka];W[jb];B[ma];W[ld];B[ib];W[lb];B[mc]C[RIGHT]))
(;B[la];W[mb]
(;B[mc];W[jb]
(;B[ma];W[ib])
(;B[ka];W[ib]))
(;B[jb];W[mc]))
(;B[ld];W[ke]
(;B[mb];W[la];B[ka]
(;W[jb];B[ma]
(;W[lb];B[ib];W[mc];B[la];W[md])
(;W[md]
(;B[ib];W[lb];B[la];W[mc])
(;B[mc];W[ib])))
(;W[md];B[ma];W[lb];B[la];W[mc]))
(;B[la];W[mb])))