(;SZ[13]AB[mc]AB[lc]AB[kb]AB[ic]AB[ib]AB[hb]AW[gb]AW[gc]AW[hc]AW[id]AW[he]AW[jd]AW[kc]AW[kd]AW[ld]AW[md]AW[ja]AP[goproblems]
(;B[lb];W[jb]
(;B[ka];W[jc];B[ma]C[RIGHT])
(;B[jc];W[mb];B[ma];W[ka]))
(;B[la];W[mb];B[lb];W[jb])
(;B[ka];W[lb])
(;B[mb];W[la]))