(;CA[UTF-8]SZ[19]ST[2]FF[4]GM[1]AP[GOWrite:2.3.48]PM[2]PB[ ]GN[ ]PW[ ]FG[259:];B[pd];W[dd];B[qp]
(;W[dq]
;B[nq]C[Diagram 1 and 3]L[qj][qf][nc][do][co]
(;W[qf];B[nc];W[qj];B[co]
;W[ck]SQ[nc][qf]L[rd][qc][kc][ep][fp]C[Diagram 4];B[fp]
(;W[ep];B[eo];W[fq];B[gp];W[gq];B[hp];W[hq]
;B[ip]L[jq][cf][bq]C[Diagram 6];W[iq];B[ci];W[ek];B[cf];W[ei];B[bd];W[ef];B[fd];W[df];B[ce]
;W[ed]L[jq][id][jd][fc]C[Diagram 7])
(;W[do];B[dp];W[ep];B[cp];W[eq];B[eo];W[dn];B[cq]
;W[fq]C[Diagram 8];B[fo];W[hq];B[cm]
(;W[dm];B[dl];W[cl];B[cn]
;W[el]C[Diagram 9])
(;W[en];B[cn];W[fn]
;B[ho]C[Diagram 10])))
(;W[qj];B[co];W[ck]
(;B[ep];W[eq];B[fp];W[gq];B[cf]
(;W[ce];B[df];W[fc]
;B[dj]L[fd][ci][gd]C[Diagram 5])
(;W[ch];B[cc];W[cd];B[dc];W[ed];B[bd];W[be];B[bc];W[ce]
;B[fc]L[qf][nc]C[Diagram 11]))
(;B[fp];W[ep];B[eo];W[fq];B[gp];W[gq];B[hp];W[hq];B[ip];W[iq]
;B[ci];W[ek];B[cf];W[ei];B[bd];W[ef];B[fd];W[df];B[cg];W[ed]
;B[id];W[nc];B[qf]
;W[kd]C[Diagram 12]))
(;W[fc]C[Diagram 13]))
(;W[dp]
;B[np]L[fq][cn][gp]C[Diagram 2]))
