(;SZ[19]AB[rr][qs][pr][oq][oo][pm][pl][ql][rl][sl][sn][ro]AW[sm][rm][qm][qn][qo][qp][qq][qr][rq]PL[W];W[so];B[sp];W[rs];B[ss];W[sr];B[sq];W[rn];B[ps];W[rp])