(;AB[fr]AB[fq]AB[gp]AB[gr]AB[hp]AB[jr]AB[jq]AB[jp]AW[kr]AW[js]AW[ls]AW[kq]AW[jo]AW[ho]AW[hn]AW[fo]AW[fp]AW[eq]AW[dp]AW[er]AW[cr]AW[ko]AW[jm]AW[mo]AW[mq]AP[goproblems]
(;B[hs];W[ir]
(;B[iq];W[is];B[hr];W[ks];B[fs]C[RIGHT])
(;B[hq];W[is]
(;B[fs];W[hr])
(;B[hr];W[fs])
(;B[iq];W[fs]))
(;B[hr]
(;W[fs]
(;B[is];W[iq]
(;B[ip];W[hq];B[gq];W[iq])
(;B[hq]C[RIGHT]))
(;B[iq]C[RIGHT])
(;B[hq];W[is])
(;B[ip];W[is])))
(;B[is];W[hr]
(;B[ks]C[Ko is not enough.])
(;B[gs];W[hq])))
(;B[hq];W[hs])
(;B[hr];W[is])
(;B[ir];W[hq]
(;B[fs];W[hs];B[is];W[ip]
(;B[hr];W[iq])
(;B[iq];W[hr]LB[gq:A]C[This is not a seki because the black group is cut]))
(;B[hr];W[is])
(;B[is];W[fs];B[gs];W[hr]))
(;B[fs];W[hs])
(;B[is];W[ir]
(;B[ks]C[Ko is not enough])
(;B[hs];W[hr]
(;B[ks]C[Ko is not enough])
(;B[gs];W[hq]))))