(;AW[rp][sp][pq][rq][qr][qs]AB[sn][qo][ro][op][pp][qp][oq][or][os]C[black to kill
]
(;B[sr]
;W[rr]
(;B[ss]C[RIGHT
White has no possibility left of making a second eye.])
(;B[rs]CR[rs]
;W[sq]CR[sq]C[White lives])
(;B[qq]CR[qq]
;W[ss]CR[ss]
(;B[rs]CR[rs]
;W[sq]CR[sq]C[White lives.])
(;B[pr]CR[pr]
;W[sq]CR[sq]))
(;B[pr]CR[pr]
;W[ss]CR[ss]
(;B[rs]CR[rs]
;W[sq]CR[sq]C[White lives.])
(;B[qq]CR[qq]
;W[sq]CR[sq]))
(;B[sq]CR[sq]
;W[ss]CR[ss]C[White has two eyes.]))
(;B[rr]
;W[sr]
(;B[ss]
;W[rs])
(;B[rs]
;W[ss])
(;B[qq]CR[qq]
;W[rs]CR[rs]C[White has three eyes (and in fact that last move was not even necessary to live)]))
(;B[ss]
;W[sr]
(;B[rs]
;W[rr])
(;B[qq]
;W[rs])
(;B[rr]CR[rr]
;W[rs]CR[rs]))
(;B[rs]
;W[sr])
(;B[qq]
;W[sr])
(;B[pr]
;W[sr]))