(;AW[rq]AW[rp]AW[qq]AW[pr]AB[pq]AB[oq]AB[nr]AB[qp]AB[ro]AB[rn]AB[po]AB[qs]C[White to live]AP[goproblems]
(;W[rs]
(;B[rr]C[CHOICE]
(;W[qr];B[ss]
(;W[sr];B[sq]
(;W[sp]
(;B[or]
(;W[ps]C[White lives with double-KoRIGHT])
(;W[sr]C[RIGHT];B[mm]C[Finally white lives with double Ko. Check it at KTRIGHT]LB[nm:KT]
(;W[nm];B[sq]
(;W[ps]C[nice double KoRIGHT])
(;W[os]C[NOTTHIS]))
(;W[rs]C[NOTTHIS])
(;W[ps]C[NOTTHIS])
(;W[sq]C[NOTTHIS])))
(;B[ps]
(;W[os];B[or];W[rs];B[qs];W[ps]C[White lives with double-KoRIGHT])
(;W[sr]C[RIGHT];B[mm]C[Finally white lives with double Ko. Check it at KTRIGHT]LB[nm:KT]
(;W[nm];B[sq]
(;W[os];B[or]
(;W[sr]C[NOTTHIS])
(;W[rs];B[qs]
(;W[ps]C[nice double KoRIGHT])
(;W[sr]C[NOTTHIS])))
(;W[or]C[NOTTHIS]))
(;W[sq]C[NOTTHIS])
(;W[rs]C[NOTTHIS])
(;W[os]C[NOTTHIS])
(;W[or]C[NOTTHIS]))))
(;W[ps];B[sp]C[You could avoid Ko]))
(;W[sp];B[sr]
(;W[or];B[os])
(;W[ps];B[rs])
(;W[os];B[or]))
(;W[ps];B[sp]
(;W[sq];B[rs])
(;W[rs]C[You could avoid Ko]))
(;W[or];B[sp]
(;W[sq];B[os])
(;W[ps];B[rs]))
(;W[os];B[sp]
(;W[sq];B[rs])
(;W[ps];B[rs])))
(;W[sr];B[ss]
(;W[sq];B[rs])
(;W[qr];B[sq]
(;W[ps];B[sp]C[You could avoid Ko])
(;W[sp]
(;B[or]
(;W[ps]C[White lives with double-KoRIGHT])
(;W[sr]C[RIGHT];B[mm]C[Finally white lives with double Ko. Check it at KTRIGHT]LB[nm:KT]
(;W[nm];B[sq]
(;W[ps]C[nice double KoRIGHT])
(;W[os]C[NOTTHIS]))
(;W[rs]C[NOTTHIS])
(;W[ps]C[NOTTHIS])))
(;B[ps]
(;W[os];B[or];W[rs];B[qs];W[ps]C[White lives with double-KoRIGHT])
(;W[sr]C[RIGHT];B[mm]C[Finally white lives with double-Ko. Check it at KT
RIGHT]LB[nm:KT]
(;W[nm];B[sq]
(;W[os];B[or]
(;W[sr]C[NOTTHIS])
(;W[rs];B[qs]
(;W[sr]C[NOTTHIS])
(;W[ps]C[nice double KoRIGHT])))
(;W[or]C[NOTTHIS]))
(;W[rs]C[NOTTHIS])
(;W[os]C[NOTTHIS])))))
(;W[sp];B[qr]C[You could avoid Ko])
(;W[ps];B[sq]
(;W[qr];B[sp]C[You could avoid Ko])
(;W[sp];B[qr]C[You could avoid Ko])))
(;W[sp];B[sr])
(;W[ps];B[ss]
(;W[sp];B[sr])
(;W[qr];B[sp]C[You could avoid Ko]
(;W[sq];B[rs])
(;W[rs]C[You could avoid Ko]))
(;W[sr];B[sq]
(;W[qr];B[sp]C[You could avoid Ko])
(;W[sp];B[qr]C[You could avoid Ko])))
(;W[or];B[sr])
(;W[os];B[sr]))
(;B[ps]
(;W[sr];B[qr]
(;W[sp]C[RIGHT])
(;W[rr];B[or];W[sp]C[RIGHT]))
(;W[qr];B[sr];W[os]C[RIGHT])
(;W[os];B[or];W[qr];B[ps]
(;W[sr]C[RIGHT])
(;W[sp];B[sr])
(;W[qs];B[sr])))
(;B[sp]
(;W[ps]C[RIGHT])
(;W[sr]C[RIGHT])
(;W[sq]C[RIGHT])
(;W[qr]C[RIGHT])
(;W[or];B[qr];W[rr];B[sq])
(;W[rr];B[ps];W[os];B[or])))
(;W[ps];B[rs]
(;W[rr];B[sp];W[sq];B[ss])
(;W[qr];B[sp])
(;W[sr];B[sp])
(;W[sp];B[sr]))
(;W[qr];B[rs]
(;W[ps];B[sp])
(;W[sp];B[ps])
(;W[sr];B[sp])
(;W[or];B[sp])
(;W[os];B[sp]))
(;W[sr];B[rs]
(;W[sp];B[ps])
(;W[qr];B[sp])
(;W[ps];B[sp]))
(;W[rr];B[ps])
(;W[sp];B[ps]
(;W[rs];B[sr];W[os];B[or];W[qr];B[ps])
(;W[os];B[or]
(;W[qr];B[rs])
(;W[rs];B[sr]
(;W[rr];B[ns])
(;W[qr];B[ps]))))
(;W[or];B[qr])
(;W[os];B[qr]
(;W[rs];B[sr]
(;W[sq];B[rr])
(;W[sp];B[rr])
(;W[ps];B[rr])
(;W[rr];B[sp]
(;W[sq];B[ss])
(;W[ps];B[sq])))
(;W[rr];B[sp]
(;W[sq];B[rs])
(;W[rs];B[sq]
(;W[sr];B[ss])
(;W[ps];B[sr]))
(;W[ps];B[sr]
(;W[sq];B[rs])
(;W[rs];B[sq]))
(;W[sr];B[rs])))
(;W[sq];B[qr])
(;W[so];B[qr]))
tossy