(;AB[es]AB[er]AB[eq]AB[fq]AB[gq]AB[go]AB[ho]AB[jo]AB[ko]AB[kp]AB[mq]AB[nq]AB[nr]AB[ms]AW[fr]AW[gr]AW[hr]AW[hp]AW[jp]AW[jq]AW[kq]AW[lr]AW[mr]AW[ks]AB[lq]AP[goproblems]
(;B[ir];W[iq];B[jr];W[is]
(;B[fs]C[RIGHT])
(;B[hq]C[RIGHT]))
(;B[is];W[ir];B[ns];W[kr];B[js];W[fs])
(;B[fs];W[jr])
(;B[ns];W[is])
(;B[hq];W[ir]))