(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[0.00]

;B[qd]
;W[od]
;B[ld]
;W[pg]LB[oc:A][oe:B][of:C]C[Start position - 3 options A, B, C]
(;B[oc]C[Diagram 1]
;W[nc]
;B[pc]
;W[nd]
;B[pe]
;W[pd]
;B[qc]
;W[qe]
;B[qf]
;W[re]
;B[rf]
;W[pf]
;B[oe]
;W[nf])
(;B[oe]C[Diagram 2]
;W[ne]
(;B[of]
;W[pd]
;B[qf]
;W[qc]
;B[qe]
;W[nf]
;B[og]
;W[pb])
(;B[pd]C[Diagram 3]
;W[of]
;B[oc]
;W[pe]
;B[nc]))
(;B[of]C[Diagram 4]
;W[pe]
;B[pf]
;W[qe]
;B[qf]
;W[rf]
;B[rd]
;W[re]
;B[qg]
;W[qc]
;B[nd]
;W[nc]
;B[oc]
;W[pc]
;B[oe]LB[ob:A][pd:B]))
