(;AB[cr]AB[bq]AB[dq]AB[dp]AB[do]AB[dn]AB[en]AB[gn]AB[hn]AB[in]AB[io]AB[ip]AB[iq]AB[ir]AW[ds]AW[dr]AW[eq]AW[ep]AW[eo]AW[ho]AW[hp]AW[hq]AW[gr]AP[goproblems]
(;B[fo]
(;W[fp];B[fr];W[fs];B[er];W[fq];B[gp]C[RIGHT])
(;W[fr];B[fp];W[fq];B[hr]C[RIGHT]))
(;B[gp];W[go];B[er];W[fr];B[fo];W[es];B[fp];W[fq];B[gs]C[RIGHT])
(;B[fr];W[fq];B[fs];W[hr];B[hs];W[gs];B[gp];W[go];B[fo];W[gq])
(;B[hr]
(;W[fs]C[CHOICE]
(;B[er];W[fo])
(;B[fo];W[fp]
(;B[er];W[gp])
(;B[gp];W[gq];B[er];W[go]))
(;B[go];W[fp]))
(;W[fq];B[fo])
(;W[fr];B[gp])
(;W[gs];B[go])))