(;AB[ra][rb][rc][sb][pa][oa][na][nb][nc][nd][ne][nf][of][pc][pd][qd][sd][pg][qg][rg][sg][ph][pi][pj][pk][pl][pm][pn][qn][qo][ro][so][qk][rj][sj]AW[qa][qb][pb][ob][qc][oc][od][oe][pe][pf][qf][rf][sf][re][rd][qj][qi][rh][qh][sh][rk][sk][sl][ql][qm][rm][rn][sn]PL[W]GC["Mathematics of Go Game" by SHIMADA Takuya, publ. 1958 by Maki Shoten. Chapt. 6, p 105, Dia. 10]N["Mathematics of Go Game" by SHIMADA Takuya, publ. 1958 by Maki Shoten. Chapt. 6, p 105, Dia. 10]SZ[19]
;B[];W[qe];B[pd];W[se];B[qd];W[sc];B[si]LB[ri:a];W[sa];B[ri])