(;GM[1]FF[4]CA[UTF-8]AP[Sabaki:0.43.3]KM[6.5]SZ[19]DT[2019-10-31]AW[rr][rq][rp][qr][qo][po][oo][np][mp][mq][lr][kq]AB[qq][pr][ps][pp][op][ms][mr][nr][nq]AE[os]PL[W];W[pq];B[os];W[oq];B[or]C[At this point "tsumego-hero" says solution is incorrect (?)];W[pq]C[But if you play Q3 how black can have second eye?](;B[oq];W[qp];B[pq];W[ls];B[qs];W[rs])(;B[qp];W[oq]))