(;AB[bs]AB[br]AB[bq]AB[bp]AB[cp]AB[dr]AB[ep]AB[fq]AB[do]AB[dn]AB[dl]AB[dm]AB[dk]AB[dj]AB[cj]AB[cm]AB[bl]AW[bj]AW[ci]AW[di]AW[ei]AW[ej]AW[el]AW[em]AW[ek]AW[en]AW[eo]AW[dp]AW[dq]AW[cq]AW[cr]AW[er]AW[eq]AW[co]AW[bo]AW[cn]AW[bm]AW[an]AB[hq]AB[ir]AB[fp]AW[fr]AB[bh]AB[gr]AP[goproblems] (;B[bk];W[ck];B[cl] (;W[bi]C[CHOICE] (;B[al];W[ap] (;B[am];W[aj]C[ko];B[bn]) (;B[aq];W[cs] (;B[ao]C[ko]) (;B[am];W[ar])) (;B[aj];W[am] (;B[aq];W[ai];B[ao]) (;B[ai];W[ar] (;B[aq];W[cs]) (;B[as];W[cs]) (;B[ds];W[cs] (;B[fs];W[es] (;B[dr];W[gs];B[hs];W[aq]) (;B[ds];W[gs];B[hs];W[aq]) (;B[gs];W[aq])) (;B[es];W[fs]) (;B[gs];W[aq])) (;B[cs];W[ds];B[fs])) (;B[ar];W[ai]) (;B[ds];W[ai])) (;B[ds];W[cs] (;B[aq];W[ar];B[ao]C[ko]) (;B[es];W[fs];B[ds];W[aq]) (;B[fs];W[es]C[RIGHT]) (;B[aj];W[es] (;B[aq];W[ar]) (;B[ar];W[am];B[ai]C[the b group above has one eye and it'll take 4 moves to relieve the pressure below, so W can attack around C13.];W[cg]) (;B[ai];W[aq]) (;B[am];W[aq]) (;B[gs];W[aq]) (;B[fs];W[gs])) (;B[ai];W[es] (;B[aj];W[aq]) (;B[ar];W[am];B[aj];W[cg])) (;B[am];W[aq])) (;B[ak];W[am] (;B[aq];W[aj]) (;B[ds];W[aj]) (;B[cs];W[aj])) (;B[cs];W[ds] (;B[am];W[aq] (;B[fs];W[ar]) (;B[bn]C[ko])) (;B[aq];W[ar];B[ao]C[ko]))) (;B[ap]C[];W[ao] (;B[al]C[RIGHT]) (;B[ak];W[aj] (;B[al];W[ds] (;B[fs];W[ar] (;B[gs];W[as];B[aq];W[ar]) (;B[cs];W[as])) (;B[ar];W[fs]) (;B[cs];W[fs])) (;B[am];W[al]) (;B[ar];W[al]) (;B[ds];W[al]) (;B[gs];W[al]) (;B[fs];W[al]) (;B[es];W[al]) (;B[cs];W[al])) (;B[ar];W[al] (;B[ak];W[aj]) (;B[aj];W[ai]) (;B[ds];W[ak])) (;B[ds];W[al];B[ak];W[aj]) (;B[cs];W[ds] (;B[al];W[fs]) (;B[fs];W[al];B[ak];W[aj])) (;B[am];W[al] (;B[aj];W[ai]) (;B[ak];W[aj])) (;B[aj];W[ai] (;B[ak];W[al]) (;B[al];W[ak]) (;B[am];W[al]) (;B[ds];W[al] (;B[fs];W[ak]) (;B[cs];W[ak]) (;B[es];W[ak])) (;B[cs];W[ds]))) (;B[ak];W[aj] (;B[am];W[al]C[ko]) (;B[ap] (;W[al]C[ko, or W can connect and give B the choice between a bad ko and W killing lower left.]) (;W[ao] (;B[al];W[ds] (;B[fs];W[ar] (;B[gs];W[as];B[aq];W[ar]) (;B[cs];W[as])) (;B[ar];W[fs]) (;B[cs];W[fs])) (;B[am];W[al]) (;B[ar];W[al]) (;B[ds];W[al]) (;B[gs];W[al]) (;B[fs];W[al]) (;B[es];W[al]) (;B[cs];W[al]))) (;B[ao];W[ap] (;B[aq];W[al]C[ko, or W can connect and give b the choice between a bad ko and W killing lower left.] (;B[ao];W[ck]) (;B[am]C[ko])) (;B[am];W[al]C[ko]) (;B[al];W[am]))) (;B[am];W[al] (;B[ak];W[aj]C[ko]) (;B[aj];W[ai]) (;B[ap];W[ak]) (;B[ao];W[ap] (;B[aq];W[ak]) (;B[ak];W[aj]C[ko]))) (;B[ao];W[ap];B[aq];W[al];B[ao]C[ko];W[ap]) (;B[ar];W[al];B[ak];W[aj]) (;B[aq];W[al];B[ak];W[aj]) (;B[ds];W[al];B[ak];W[aj])) (;W[ap]C[CHOICE] (;B[gr] (;W[ds];B[fs];W[aq];B[gs];W[ao];B[al];W[ar];B[es]) (;W[am];B[bi] (;W[fs];B[ds];W[cs];B[gs];W[es];B[dr]) (;W[ds];B[fs] (;W[es];B[gs]) (;W[cs] (;B[gs] (;W[aq];B[es]) (;W[ar];B[es])) (;B[aq];W[ar]))))) (;B[ds];W[cs] (;B[gr]) (;B[fs];W[es];B[gs]C[RIGHT]) (;B[gs]C[RIGHT]) (;B[es];W[fs] (;B[ds];W[ar];B[gs];W[aq]) (;B[gs];W[aq];B[ds]) (;B[ar];W[ao] (;B[gs]) (;B[ds])) (;B[aq];W[ao];B[gs])) (;B[ar];W[ao] (;B[es];W[fs] (;B[gs]) (;B[ds])) (;B[fs];W[es] (;B[dr];W[gs];B[hs];W[aq]) (;B[ds];W[gs]))) (;B[aq];W[ao] (;B[es];W[fs];B[gs]) (;B[fs];W[es]) (;B[gs];W[ar]))) (;B[cs];W[ds];B[fs];W[aq];B[gs];W[ar]) (;B[fs];W[ds] (;B[cs];W[aq];B[gs];W[ar]) (;B[gs];W[ar] (;B[es];W[aq];B[al];W[am]) (;B[cs];W[aq]) (;B[as];W[cs]) (;B[al];W[am] (;B[aq];W[cs];B[ao]) (;B[es];W[aq]) (;B[cs];W[aq])) (;B[aq];W[cs];B[ao]) (;B[am];W[al] (;B[ak];W[aq] (;B[es];W[am]) (;B[am];W[cs])) (;B[aq];W[cs];B[ao]) (;B[as];W[cs]) (;B[cs];W[aq]) (;B[es];W[aq]))) (;B[ar];W[bi] (;B[al];W[am] (;B[aq];W[cs]) (;B[cs];W[aj];B[gs];W[ak]) (;B[gs];W[aj] (;B[cs];W[ak]) (;B[es];W[ak]))) (;B[ak];W[aj] (;B[am];W[al]) (;B[gs];W[am]) (;B[cs];W[am])) (;B[am];W[al];B[ak];W[aj]))) (;B[al];W[ds] (;B[fs];W[am];B[aq];W[cs]) (;B[am];W[fs])) (;B[aq];W[cs];B[ao]C[ko.]) (;B[es];W[ds] (;B[cs];W[fs]) (;B[gs];W[fs]) (;B[fs];W[gs];B[fs];W[cs] (;B[aq];W[ar]) (;B[ar];W[ao] (;B[hs];W[aq]) (;B[al];W[aq])) (;B[as];W[aq]) (;B[hs];W[aq] (;B[al];W[ar]) (;B[gs];W[ar])) (;B[al];W[aq];B[am];W[ar])) (;B[aq];W[cs] (;B[al];W[ar]) (;B[am];W[ar]) (;B[ao])) (;B[ar];W[fs] (;B[aq];W[cs]) (;B[al];W[am];B[aq];W[cs]))) (;B[ar];W[ds];B[fs];W[bi] (;B[aq];W[cs]) (;B[gs];W[ao] (;B[al];W[aj] (;B[am];W[ak]) (;B[aq];W[ak])) (;B[am];W[al];B[ak];W[aj]) (;B[ak];W[aj];B[al];W[aq]) (;B[aj];W[ai] (;B[al];W[ak]) (;B[ak];W[al])) (;B[ai];W[ak];B[al];W[aj]))) (;B[bi];W[aq] (;B[cs];W[ds]) (;B[ar];W[ao] (;B[ds];W[cs]) (;B[cs];W[ds])) (;B[ds];W[cs];B[fs];W[es] (;B[gs];W[ar]) (;B[dr];W[gs]))))) (;B[al];W[cl];B[ck];W[bk];B[cl];W[am]) (;B[ak];W[ck];B[cl];W[bk] (;B[am];W[al]) (;B[al];W[am])) (;B[cl];W[bk];B[al];W[ck]) (;B[am];W[al] (;B[bk];W[cl];B[ck];W[ak]) (;B[ck];W[bk]) (;B[cl];W[bk]) (;B[ak];W[ck])) (;B[ap];W[ck]) (;B[ao];W[ap] (;B[aq];W[ck]) (;B[bk];W[ck];B[cl];W[bi] (;B[aq];W[al] (;B[ao]C[ko.];W[ap]) (;B[ak];W[aj] (;B[ao];W[ck]) (;B[am]C[ko]))) (;B[ak];W[aj] (;B[aq];W[al] (;B[ds];W[ck]) (;B[am]C[ko])) (;B[am];W[al]) (;B[al];W[am]) (;B[ds];W[am])) (;B[aj];W[ai] (;B[ak];W[am];B[aq];W[al]) (;B[al];W[am];B[aq];W[ak]) (;B[aq];W[al];B[ao]C[ko]) (;B[am];W[al];B[aq];W[ak])) (;B[al]) (;B[am];W[al] (;B[ak];W[aj]) (;B[aj];W[ai];B[aq];W[ak])))) (;B[aj];W[ck];B[cl];W[bk];B[al];W[am]) (;B[bi];W[ck];B[cl];W[bk];B[al];W[am]) (;B[fp];W[ck]) (;B[fr];W[ck]) (;B[es];W[ck]) (;B[cs];W[ck]) (;B[ar];W[ck]) (;B[aq];W[ck]) (;B[ai];W[ck];B[cl];W[bk];B[al];W[am]) (;B[ds];W[ck];B[cl];W[bk];B[al];W[ak]))