(;AB[bs]AB[br]AB[cq]AB[cp]AB[ep]AB[dp]AB[fp]AB[go]AB[ho]AB[ip]AB[jp]AB[jq]AB[jr]AB[gr]AW[cr]AW[ds]AW[dq]AW[eq]AW[fq]AW[gq]AW[hq]AW[iq]AW[hp]AW[gp]AW[fs]AP[goproblems]
(;B[fr]
(;W[er]C[CHOICE];B[cs]
(;W[hr];B[dr]C[RIGHT])
(;W[dr];B[hr];W[ir];B[is]C[RIGHT]))
(;W[hs];B[cs]
(;W[dr];B[ir];W[hr];B[er])
(;W[er];B[hr]
(;W[dr];B[ir])
(;W[ir];B[dr]))))
(;B[cs];W[dr];B[fr];W[hr]
(;B[er];W[hs])
(;B[gs];W[hs];B[es];W[er]))
(;B[dr];W[er];B[cs];W[dr]
(;B[ir];W[hr])
(;B[hr];W[ir];B[is];W[hs];B[gs];W[fr];B[js];W[hs])
(;B[fr];W[ir])))