(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2] RU[Japanese]SZ[19]KM[0.00] PW[White]PB[Black]AW[pb][rb][sb][pc]AB[lb][mb][mc][nc][oc][rc][od][pd][qd][sd][re]LB[ng:5][og:4][pg:3][qg:2][rg:1][sg:0][oh:10][ph:9][qh:8][rh:7][sh:6]C[how many ways to kill without ko? click on the number] (;B[ph]CR[ph] ;W[pi]CR[pi]C[RIGHT correct answer. now you can explore] (;B[sa]CR[sa] ;W[qc]CR[qc] ;B[qa]CR[qa] ;W[ra]CR[ra] ;B[pa]CR[pa] ;W[ob]CR[ob] ;B[oa]CR[oa] ;W[na]CR[na]) (;B[qb]CR[qb] ;W[qc]CR[qc] ;B[pa]CR[pa] ;W[qa]CR[qa] ;B[oa]CR[oa]C[RIGHT dead]) (;B[ra]CR[ra] (;W[qc]CR[qc] ;B[qa]CR[qa] ;W[pa]CR[pa]C[RIGHT dead]) (;W[qa]CR[qa] ;B[qc]CR[qc]C[RIGHT dead])) (;B[qa]CR[qa] ;W[ra]CR[ra] (;B[pa]CR[pa] ;W[ob]CR[ob] ;B[oa]CR[oa] ;W[na]CR[na]) (;B[qb]CR[qb] ;W[qc]CR[qc])) (;B[qc]CR[qc]C[RIGHT dead]) (;B[ob]CR[ob] ;W[qa]CR[qa] ;B[qc]CR[qc]C[RIGHT dead]) (;B[pa]CR[pa]C[RIGHT dead]) (;B[oa]CR[oa] ;W[pa]CR[pa] (;B[qc]CR[qc]C[RIGHT dead]) (;B[qb]CR[qb] ;W[qc]CR[qc]) (;B[ra]CR[ra]C[RIGHT dead]) (;B[ob]CR[ob]C[RIGHT dead])) (;B[nb]CR[nb] ;W[qc]CR[qc] ;B[qa]CR[qa] ;W[ra]CR[ra] ;B[pa]CR[pa] ;W[oa]CR[oa] ;B[ob]CR[ob]C[RIGHT dead]) (;B[na]CR[na] ;W[qc]CR[qc] ;B[qa]CR[qa] ;W[ra]CR[ra] ;B[pa]CR[pa]C[RIGHT dead]) (;B[ma]CR[ma] ;W[qc]CR[qc] ;B[qa]CR[qa] ;W[ra]CR[ra] ;B[pa]CR[pa] ;W[ob]CR[ob] ;B[oa]CR[oa]C[RIGHT dead])) (;B[sg]CR[sg]C[wrong. after you select the correct number, you can explore]) (;B[sa]CR[sa]C[NOTTHIS]) (;B[ra]CR[ra]C[NOTTHIS]) (;B[qa]CR[qa]C[NOTTHIS]) (;B[qb]CR[qb]C[NOTTHIS]) (;B[qc]CR[qc]C[NOTTHIS]) (;B[pa]CR[pa]C[NOTTHIS]) (;B[ob]CR[ob]C[NOTTHIS]) (;B[oa]CR[oa]C[NOTTHIS]) (;B[na]CR[na]C[NOTTHIS]) (;B[nb]CR[nb]C[NOTTHIS]) (;B[ma]CR[ma]C[NOTTHIS]) (;B[rg]CR[rg]C[wrong. after you select the correct number, you can explore]) (;B[qg]CR[qg]C[wrong. after you select the correct number, you can explore]) (;B[pg]CR[pg]C[wrong. after you select the correct number, you can explore]) (;B[og]CR[og]C[wrong. after you select the correct number, you can explore]) (;B[ng]CR[ng]C[wrong. after you select the correct number, you can explore]) (;B[sh]CR[sh]C[wrong. after you select the correct number, you can explore]) (;B[rh]CR[rh]C[wrong. after you select the correct number, you can explore]) (;B[qh]CR[qh]C[wrong. after you select the correct number, you can explore]) (;B[oh]CR[oh]C[wrong. after you select the correct number, you can explore]))