(;AB[ar]AB[br]AB[cq]AB[dq]AB[fq]AB[gq]AB[fp]AB[fo]AB[iq]AB[ir]AB[in]AB[hn]AB[gn]AB[im]AB[fm]AB[em]AB[dm]AB[cm]AB[cl]AB[bn]AW[ck]AW[dl]AW[ek]AW[ej]AW[dj]AB[cj]AW[ci]AW[gm]AW[hm]AW[il]AW[jl]AW[jn]AW[go]AW[gp]AW[io]AW[ip]AW[fn]AW[en]AW[dn]AW[bq]AW[bp]AW[cp]AW[dp]AW[jq]AW[jj]TR[cl]TR[cm]TR[bn]TR[dm]TR[em]TR[fm]C[Black to connect his marked stones in sente.]AP[goproblems];B[do]
(;W[co]
(;B[cn];W[eo]
(;B[ep];W[do]
(;B[bo];W[jm]
(;B[ap];W[ho]C[RIGHT])
(;B[aq];W[ho]
(;B[ap];W[gn]C[RIGHT])
(;B[gn];W[hn]
(;B[ap];W[gn]C[RIGHT])
(;B[ao]C[You did connect, but didn't keep sente.]))
(;B[ao]C[You did connect, but didn't keep sente.])))
(;B[ap];W[jm]
(;B[bo];W[ho]C[RIGHT])
(;B[aq];W[ho]C[RIGHT]))
(;B[aq];W[jm]
(;B[ap];W[ho]C[RIGHT])
(;B[bo];W[ho]
(;B[ap];W[gn]C[RIGHT])
(;B[gn];W[hn]
(;B[ap];W[gn]C[RIGHT])
(;B[ao]C[You did connect, but didn't keep sente.]))
(;B[ao]C[You did connect, but didn't keep sente.]))))
(;B[bo];W[ep]
(;B[ap];W[aq];B[eq];W[ao];B[an];W[jm])
(;B[aq];W[ap])
(;B[eq];W[ap]))
(;B[ap];W[ep];B[aq]C[You did connect, but didn't keep sente.])
(;B[aq];W[ep]
(;B[bo];W[ap])
(;B[ap]C[You did connect, but didn't keep sente.])))
(;B[eo];W[cn]
(;B[bo];W[ap])
(;B[ap];W[jm]C[]
(;B[bo]C[You did connect but didn't keep sente.])
(;B[aq]C[You did connect but didn't keep sente.]))
(;B[aq];W[ap]))
(;B[ep];W[cn]
(;B[bo];W[ap])
(;B[aq];W[ap])
(;B[ap];W[jm]
(;B[aq]C[You did connect but didn't keep sente.])
(;B[bo]C[You did connect but didn't keep sente.])))
(;B[bo];W[cn]
(;B[aq];W[ap])
(;B[ap];W[jm];B[aq]C[You did connect but didn't keep sente.]))
(;B[ap];W[cn]
(;B[aq]C[You did connect but didn't keep sente.])
(;B[bo]C[You did connect but didn't keep sente.];W[jm];B[aq]C[You did connect but didn't keep sente.]))
(;B[aq];W[cn];B[ap]C[You did connect but didn't keep sente.]))
(;W[eo]C[Since this move is essentially the same as C5, I haven't covered all variations.];B[ep];W[co];B[cn];W[do];B[ap];W[jm];B[aq];W[ho]C[RIGHT]))