(;AB[pq]AB[qp]AW[qq]AW[rq]AB[qo]AB[op]C[White to live]AB[qn]AP[goproblems]
(;W[pr];B[or]
(;W[qs]
(;B[rp]C[CHOICE]
(;W[rr]C[RIGHT])
(;W[sr];B[rs];W[rr];B[os])
(;W[sq];B[rr])
(;W[rs];B[sr]
(;W[rr];B[sq])
(;W[sq];B[rr]))
(;W[ss];B[rr]))
(;B[rr]C[CHOICE]
(;W[sr];B[rs];W[rp];B[ro];W[sp]C[RIGHT])
(;W[rp];B[qr])
(;W[rs];B[sr]))
(;B[sr]
(;W[rr];B[os]
(;W[ss]
(;B[rs];W[sq];B[ps];W[qr]C[RIGHT])
(;B[ps];W[qr];B[rs];W[sq]C[RIGHT]))
(;W[ps];B[rs]
(;W[ss]C[ko])
(;W[sq];B[qr]))
(;W[sq];B[ps]
(;W[qr];B[ss])
(;W[ss];B[qr]C[ko]))
(;W[rp];B[ro];W[ss];B[rs];W[sq];B[ps]
(;W[ss];B[qr]C[ko])
(;W[qr];B[sp])))
(;W[rp];B[ro];W[rr];B[os]
(;W[ps];B[rs]C[ko])
(;W[ss]
(;B[ps]
(;W[sq];B[qr]C[ko])
(;W[qr];B[rs]C[ko]))
(;B[rs];W[sq];B[ps]
(;W[ss];B[qr]C[ko])
(;W[qr];B[sp])))
(;W[sq];B[ps]
(;W[qr];B[ss])
(;W[ss];B[qr]C[ko])))))
(;W[qr];B[rp]
(;W[rs];B[sr];W[sq];B[ps])
(;W[sr];B[rs])
(;W[ps];B[rs]))
(;W[rr];B[ps];W[qs];B[qr]C[ko])
(;W[rs];B[ps]
(;W[qr];B[sr])
(;W[sr];B[qr]
(;W[rr];B[rp])
(;W[rp];B[rr]))
(;W[rp];B[ro]
(;W[qr];B[sr])
(;W[sr];B[qr]
(;W[sp];B[rr])
(;W[rr];B[sp]))))
(;W[ps];B[rs]
(;W[rr];B[os];W[qr];B[rp])
(;W[rp];B[ro]
(;W[rr];B[os];W[qr];B[sp];W[sq];B[ss])
(;W[sp];B[os];W[qr];B[sr])
(;W[sr];B[sp])))
(;W[rp];B[qr]
(;W[rr];B[ps];W[rs];B[ro];W[sp];B[sr])
(;W[ro];B[rn];W[rr];B[ps]
(;W[so];B[rs])
(;W[rs];B[so];W[sp];B[sr]))))
(;W[qr];B[pr]
(;W[rp];B[ro];W[sr];B[rs]
(;W[qs];B[sp])
(;W[sp];B[qs]))
(;W[sr];B[rs]
(;W[qs];B[rp])
(;W[rp];B[ro]
(;W[sp];B[qs])
(;W[qs];B[sp])))
(;W[rs];B[sr]))
(;W[rp];B[qr];W[rr];B[pr]
(;W[rs];B[ro];W[sp];B[sr])
(;W[ro];B[rn];W[rs];B[so];W[sp];B[sr]))
(;W[rs];B[pr]
(;W[qr];B[sr])
(;W[rp];B[ro]
(;W[qr];B[sr])
(;W[sr];B[qr]
(;W[rr];B[sp])
(;W[sp];B[rr])))
(;W[sr];B[qr]
(;W[rr];B[rp])
(;W[rp];B[ro]
(;W[rr];B[sp])
(;W[sp];B[rr]))))
(;W[sr];B[qr]
(;W[rr];B[pr]
(;W[rp];B[ro]
(;W[sp];B[rs])
(;W[rs];B[sp]))
(;W[rs];B[rp]))
(;W[rs];B[pr]
(;W[rr];B[rp])
(;W[rp];B[ro]
(;W[sp];B[rr])
(;W[rr];B[sp])))
(;W[rp];B[ro]
(;W[rr];B[pr]
(;W[rs];B[sp])
(;W[sp];B[rs]))
(;W[rs];B[pr]
(;W[sp];B[rr])
(;W[rr];B[sp]))
(;W[sp];B[rr])))
(;W[rr];B[pr])
(;W[qs];B[pr]
(;W[qr];B[rp]
(;W[sr];B[rs])
(;W[rs];B[sr]))
(;W[rp];B[ro]
(;W[qr];B[sr])
(;W[sr];B[qr]))))
maba