(;AB[sr]AB[sq]AB[sp]AW[ss]AW[pq]AW[pr]AB[or]AB[oq]AB[pp]AB[op]AW[nq]AW[np]AW[mr]AW[ms]AW[oo]AW[po]AW[qo]AW[ro]AW[sn]AW[nn]C[B to move]AP[goproblems]
(;B[qq];W[qr]
(;B[qp];W[os]
(;B[ps];W[qs]
(;B[rr];W[rp]
(;B[rs]C[nice! :)RIGHT])
(;B[rq];W[ns])
(;B[ns];W[nr];B[rq];W[so]))
(;B[rs];W[rr]C[ko])
(;B[rp];W[rr])
(;B[ns];W[nr]
(;B[rr];W[rp];B[rq];W[so])
(;B[rs];W[rp])
(;B[rp];W[rr])))
(;B[rr];W[ps]MA[rs]MA[rp])
(;B[ns];W[nr]
(;B[ps];W[qs]
(;B[rr];W[rp])
(;B[rs];W[rp])
(;B[rp];W[rr]))
(;B[rr];W[ps]MA[rs]MA[rp])
(;B[rp];W[rr])
(;B[rs];W[ps]MA[rp]MA[rr]))
(;B[rp];W[ps]MA[rs]MA[rr])
(;B[rs];W[ps]MA[rr]MA[rp]))
(;B[os];W[qp];B[rq];W[nr])
(;B[ps];W[qp];B[rq];W[nr])
(;B[rr];W[qp];B[rq];W[os])
(;B[rq];W[os]MA[ps]MA[qp])
(;B[rp];W[os]MA[ps]MA[qp]))
(;B[qp];W[os])
(;B[qr];W[qq]
(;B[rq];W[qs]
(;B[qp];W[rr];B[rs]C[some kind of ko])
(;B[rs];W[rr])
(;B[rr];W[qp]))
(;B[qp];W[rq];B[rp];W[os]))
(;B[ps];W[qp];B[qq];W[qr];B[rq];W[nr])
(;B[rs];W[qr]MA[qp]MA[os])
(;B[qs];W[qp];B[qq];W[qr];B[rq];W[os])
(;B[rr];W[os]))