(;AB[cl]AB[co]AB[cp]AB[en]AB[iq]AB[pp]AB[qq]AB[np]AB[pk]AW[bq]AW[cq]AW[dp]AW[ep]AW[gq]AW[rp]AB[qk]AB[rj]AW[rk]AW[ql]AW[rm]AW[sl]AW[qn]AW[pn]AW[on]AB[pm]C[A or B?FORCE]LB[io:A]LB[kp:B]AP[goproblems]
(;B[kp]C[Right. There's a working invasion now.RIGHT])
(;B[io]
(;W[oq]
(;B[nq];W[op];B[oo];W[po];B[no];W[pq]
(;B[qp];W[qr]))
(;B[op];W[lq];B[kp];W[jr]
(;B[ir];W[lp];B[lo];W[mo];B[mp];W[ko];B[ln];W[jp];B[kq])
(;B[jq];W[kr];B[ir];W[pr]C[I *think* white is alive])))
(;W[lq];B[kp];W[oq];B[nq];W[op];B[oo];W[po];B[no];W[pq];B[pr];W[or];B[os];W[nr];B[mr];W[qp];B[ns];W[pp];B[mq])))