(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2] RU[Japanese]SZ[19]KM[0.00] AW[jm][km][hn][in][ln][ho][jo][ip][jp]AB[hk][mk][gl][jl][kl][ll][hm][im][mm][gn][jn][mn][go][mo][gp][kp][lp][hq][iq][jq][mq]C[White to live. FORCE]PL[W] (;W[ko]CR[ko]LB[lm:K][hp:K]C[RIGHT Well done! Your group is now alive; Black is left with 1 large ko threat from the position (either point marked 'K').]) (;W[kn]CR[kn] ;B[ko]CR[ko]TR[im]C[You let your group be killed.]) (;W[hp]CR[hp] ;B[ko]CR[ko]TR[im]C[You let your group be killed.]) (;W[lm]CR[lm] ;B[ko]CR[ko]TR[im]C[You let your group be killed.]) (;W[lo]CR[lo] ;B[ko]CR[ko]TR[im]C[You let your group be killed.]))