(;GM[1]FF[4]SZ[19]
GN[What should white answer to B2?]
PC[http://senseis.xmp.net/?Kuksu47Game4Problems]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?Kuksu47Game4Problems

What should white answer to B2?]
PL[W]

AB[bb][cb][db][nb][bc][dc][fc][kc][nc][pc][ed][hd][od][pd][qd][je][ke][re][bf][df][ef][gf][hf][if][qf][ig][ng][qg][ch][dh][eh][nh][ph][bi][fi][ki][li][mi][pi][qi][fj][mj][pj][ek][mk][pk][dl][el][fl][gl][jl][kl][ml][hm][im][km][lm][om][pm][rm][gn][jn][kn][ln][mn][nn][pn][qn][go][ho][io][jo][lo][mo][qo][fp][gp][jp][qp][cq][gq][oq][pq][er][fr][gr][nr][pr][ds][es]
AW[ob][pb][qb][rb][cc][oc][qc][sc][bd][cd][dd][rd][be][ce][cf][ff][jf][lf][bg][hg][jg][rg][gh][ih][jh][lh][oh][qh][rh][di][gi][ri][cj][dj][gj][jj][lj][qj][bk][dk][hk][jk][lk][nk][qk][cl][hl][il][ll][nl][ol][pl][ql][rl][dm][em][fm][gm][mm][nm][qm][on][fo][ko][no][oo][po][cp][dp][ep][kp][lp][mp][np][op][pp][dq][eq][fq][iq][kq][nq][cr][dr][ir][mr][or][cs][gs]

;W[qq]C[W1]MN[1]
;B[ij]C[B2]MN[2]

;
)
