(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[0.00]
PW[White]PB[Black]C[LADDERS AND NETS

]
(;B[pq]
;AW[ob][pb][dc][oc][qc][nd][ce][qi][dm][dn][co][qo][cp][dq]AB[nc][pc][od][oe][qe][ch][cl][dl][cm][cn][op][eq]C[Black to play])
(;B[po]
;AW[pb][pc][rc][dd][od][qd][rf][cp][eq]AB[ob][oc][id][pd][pe][ch][ck][pq]C[Black to play])
(;B[lc]
;AW[pb][pc][rc][dd][od][qd][rf][cp][eq]AB[ob][oc][id][pd][pe][ch][ck][pq]C[Black to play])
(;B[fs]
;AW[fc][nc][jd][cj][ck][jk][kk][bl][el][fl][hl][jl][ll][ql][bm][cm][fm][gm][hm][im][jm][cn][dn][en][gn][in][kn][qn][jo][lo][ro][ip][jp][lp][qp][eq][gq][iq][nq][qq][fr][gr][hr][ir][pr][qr][es]AB[dd][pd][cf][qf][dj][jj][bk][dk][ek][fk][gk][hk][ik][cl][dl][gl][il][kl][dm][em][km][lm][om][fn][ln][co][fo][ho][io][po][qo][dp][ep][fp][gp][hp][kp][pp][fq][hq][jq][lq][mq][oq][pq][dr][er][jr][kr][or]C[White to play])
(;B[rc]
;AW[dc][cd][ed][fd][rd][be][ee][qe][bf][cf][df][hf][qf][eg][fg][gg][qg][rg][dh][fh][pj][pn][qn][po][dp]AB[oc][gd][pd][qd][ce][de][fe][ge][he][pe][re][ef][ff][gf][rf][bg][cg][dg][eh][di][ei][qo][qp][nq][pq]C[Black to play])
(;B[cc]
;AW[rb][dc][fc][ic][pc][qc][dd][nd][od][rd][bf][qf][cg][ch][bi][cj][ck][ql][qm][cn][dn][pn][do][qo][pp][nq]AB[ob][mc][oc][bd][pd][qd][be][ce][me][oe][pe][cf][dg][dh][ci][di][pm][qn][rn][co][ro][cp][rp][dq][fq][qq]C[White to play]
;W[om]
;B[hd]
;W[hc]
;B[gd]
;W[gc]C[Black to play])
(;B[jo]
;AW[fa][oa][bb][cb][eb][gb][nb][pb][dc][fc][hc][lc][oc][qc][qd][re][ef][ff][bg][cg][dg][eg][dh][fh][bi][di][gi][cj][dj][ej][gj][oj][ck][dk][ek][fk][nk][pk][qk][ql][cm][dm][em][bn][fn][qn][bo][co][eo][ho][qo][dp][ep][fp][gp][qp][dq][gq][gr]AB[hb][qb][rb][cc][gc][ic][pc][cd][gd][pd][de][ee][fe][pe][qe][cf][gf][rf][fg][ch][ci][qi][bj][pj][bk][gk][hk][ok][cl][dl][el][fl][il][ol][pl][bm][fm][gm][hm][pm][dn][pn][do][cp][hp][pp][cq][eq][fq][nq][pq][br][cr][dr][fr][es]C[White to play])
(;B[am]
;AW[pb][qb][bc][cc][ec][fc][qc][dd][qd][rd][de][ie][pe][re][cf][ff][if][kf][ig][mg][og][gh][jh][nh][gi][ji][ki][li][mi][ni][pi][gj][ij][bk][ek][hk][qk][bl][cl][el][hl][cm][fm][hm][an][bn][gn][hn][jn][ln][pn][bo][do][eo][fo][ko][lo][po][bp][cp][dp][lp][mp][op][qp][bq][lq][nq][qq][ar]AB[ob][gc][nc][pc][bd][fd][gd][pd][ce][he][je][oe][qe][bf][hf][lf][nf][of][qf][rf][eg][hg][lg][ng][qg][ch][hh][ih][kh][lh][mh][oh][hi][bj][dj][hj][ck][dk][gk][dl][gl][dm][gm][cn][dn][en][fn][on][co][go][io][jo][mo][oo][ep][fp][gp][ip][kp][cq][dq][iq][kq][mq][pq][br][jr][lr][mr][or][qr][cs]C[White to play])
(;B[cq]
;AW[ec][fc][hc][dd][fd][gd][ce][de][ge][gf][hf][ih][ei][ij][gk][cl][co][do][eo][dp][pp][eq][fq][dr]AB[eb][fb][gb][cc][dc][gc][ic][cd][ed][hd][qd][he][dh][eh][gh][fi][fk][fl][cp][ep][fp][bq][dq][cr]C[White to play])
(;B[oc]
;AW[ob][fc][jc][nc][ed][fd][nd][od][me][pe][of][pf][ng][og][qg][qh][pi][cp][eq]AB[dc][ec][pc][qc][cd][pd][ne][oe][qe][cf][mf][nf][qf][pg][oh][ph][qn][pp]C[White to play])
(;B[pl]
;AW[pb][qb][dc][gc][nc][dd][fd][kd][be][ce][df][cg][dg][po][op][mq][oq][nr]AB[cb][db][cc][qc][cd][pd][de][ee][bf][cf][ef][qf][bg][dp][nq][pq][or][qr][ps]C[Black to play])
(;B[ld]
;AW[hb][ib][rb][fc][gc][jc][kc][lc][nc][oc][pc][qc][dd][md][me][pp]AB[jb][kb][lb][mb][hc][ic][mc][rc][gd][nd][pd][qd][rd][ne][dp]C[White to play]
;W[jd]
;B[je]
;W[ie]
;B[mf]
;W[le]
;B[ke]
;W[lf]
;B[lg]
;W[kf]
;B[jf]
;W[kg]
;B[kd]
;W[id]
;B[if]
;W[hg])
(;B[nc]
;AW[qa][cb][db][hb][kb][nb][ob][ec][pc][qc][rc][cd][dd][ed][jd][rd][fe][ff][qf][fg][hg][fh][hh][fi][gi][ii][dj][gj][pj][fk][hk][dn][dp][eq]AB[fa][eb][gb][mb][cc][dc][fc][mc][oc][fd][pd][qd][ge][qe][re][gf][if][gg][gh][ih][kh][oh][qh][hi][hj][ij][gk][ik][gl][pl][fm][fp][qp][fq][jq][oq]C[White to play])
(;B[jc]
;AW[hc][gd][nd][pd][ge][qe][cf][qk][pn][pp][qq]AB[gc][dd][fd][hd][he][pf][qf][qi][dj][dp][kq][nq][pr]
;W[fc]C[Black to play]
;B[gb]
;W[ec]
;B[gf]
;W[fe]
;B[ed]
;W[hb])
(;B[io]
;AW[ga][hb][ec][hc][dd][fd][gd][id][ie][cf][dj][cl][il][dm][im][in][on][qn][bo][co][fo][go][ho][jo][no][cp][fp][hp][kp][np][op][cq][fq][pq][qq][cr][dr]AB[db][eb][fb][gb][fc][gc][jc][pc][hd][ee][he][pj][ek][em][jm][pm][bn][cn][dn][en][gn][hn][jn][pn][do][oo][po][dp][gp][ip][pp][qp][dq][eq][mq][oq][rq][er][or]
;W[ed]C[Black to play])
(;B[kj]
;AW[rf][ok][ln][po][qp][pq][qq]AB[nk][pk][pn][qo][op][pp]
;W[oo]C[Black to play])
(;B[oh]
;AW[oa][pa][cb][db][jb][ob][qb][rb][cc][hc][jc][kc][nc][oc][pc][cd][jd][ld][md][be][je][me][ne][qe][bf][if][mf][nf][bg][lg][ng][ph][qh][li][mi][ni][pi][lj][oj][qj][ek][mk][qk][fl][gl][ml][ql][cm][dm][em][mm][fn][mn][eo][fo][mo][oo][po][qo][ep][hp][mp][np][qp][dq][fq][dr]AB[ka][ma][na][eb][kb][lb][nb][dc][fc][lc][mc][qc][rc][dd][kd][nd][od][pd][qd][ce][ke][le][pe][cf][jf][kf][lf][pf][cg][jg][mg][qg][rg][ch][mh][nh][ei][qi][ri][dj][mj][nj][rj][ck][nk][rk][nl][fm][gm][nm][bn][cn][dn][en][gn][in][nn][do][no][dp][jp][op][pp][cq][mq][nq][pq][qq][cr]C[White to play (read out black's most stubborn resistance)])
(;B[of]
;AW[nb][ob][dc][gc][hc][ic][mc][nc][qc][cd][dd][gd][kd][md][de][fe][ge][je][ne][df][mf][qf][bg][cg][eg][eh][nh][ci][di][ei][mi][ej][lj][mj][nj][pj][fk][gk][ok][nl][fn][co][bp][cp][dp][rp][fq][pq][qq][rq][nr][or]AB[ca][ea][fa][bb][db][gb][hb][ib][bc][cc][ec][fc][jc][kc][lc][oc][bd][fd][nd][od][pd][ce][qe][af][cf][pf][dg][mg][dh][mh][li][ni][oi][pi][qi][dj][fj][oj][ck][ek][fl][pl][em][cn][dn][qn][bo][do][ro][pp][qp][iq][mq][nq][oq]C[Whtie to play])
(;B[ec]
;AW[ed][fd][ce][de][cf][ef][eg][qn][lp][pp]AB[cc][cd][dd][ee][fe][df][dg]C[Black to move]
;W[]
;B[eh]
;W[ge]
;B[ff]
;W[fg]
;B[gf]
;W[fh]
;B[gi]
;W[ci]
;B[dh]
;W[hf]
;B[gg]
;W[gh]
;B[hg]
;W[hh]
;B[ig]
;W[ei]
;B[fi]
;W[di]
;B[ii]
;W[cg]
;B[ih]
;W[ch]
;B[fc])
(;B[ao]
;AW[fc][lc][fd][ld][rf][rg][bh][bi][al][am][no][oo][fp][fq][kr]AB[fb][lb][ec][gc][kc][mc][gd][kd][rd][re][bf][bg][an][nn][on][po][gp][op][pp][eq][gq][fr]C[All black to play])
(;B[oe]
;AW[dd][nd][ne][cf][dl][em][bn][cn][dn][on][qn][rn][bo][eo][fo][go][po][qo][bp][dq][eq][fq][mq]AB[fc][kc][qd][of][pj][bm][cm][dm][en][fn][co][do][ro][cp][dp][gp][qp][rp][cq][pq][cr]C[Black to move]))