(;AW[da]AW[db]AB[ea]AB[eb]AW[ec]AW[ee]AW[ed]AW[cd]AB[ef]AB[df]AW[fh]AW[cg]AW[eh]AW[bg]AB[ff]AW[fd]AB[gc]AB[fa]AB[fc]AB[gb]AB[gd]AW[ge]AW[gf]AB[fe]AW[gg]AW[gh]AW[bd]AW[dg]AB[bh]AB[ch]AB[dh]AB[di]AB[ei]AB[fi]AB[dj]AW[gi]AW[fj]AW[ej]AW[dk]AW[cj]AW[ci]AW[ck]AB[gj]AB[hj]AB[ii]AB[ih]AB[hf]AB[he]AB[cf]AB[ce]AW[de]AW[el]AW[gl]AW[gk]TR[da]TR[db]TR[ec]TR[ed]TR[fd]TR[de]TR[ee]TR[cd]TR[bd]LB[ib:Yes]LB[ic:No]C[Is there something for black around the triangled group?FORCE]AP[goproblems]
(;W[ib]AB[da]AB[db]AW[ea]AW[eb]AW[fa]AW[fc]AW[gc]AW[gd]AW[gb]AB[ec]AB[fd]AB[ed]AB[ee]AB[de]AW[ce]AW[cf]AB[cd]AB[bd]AW[df]AW[ef]AW[ff]AW[fe]AB[ge]AB[gf]AB[gg]AB[gh]AB[gi]AW[gj]AW[hj]AW[he]AW[hf]AW[ih]AW[ii]AB[bg]AB[dg]AB[cg]AB[fh]AB[eh]AW[bh]AW[ch]AW[dh]AW[ei]AW[di]AW[dj]AW[fi]AB[fj]AB[ej]AB[dk]AB[ck]AB[cj]AB[ci]AB[el]AB[gk]AB[gl];B[ic]C[Prove your claim!]
(;W[dc];B[dd]
(;W[cb];B[cc]
(;W[bb];B[be]
(;W[bf];B[eg];W[ca];B[dc]
(;W[bc];B[fg];W[ac];B[aa])
(;W[ac];B[af]
(;W[aa];B[bc])
(;W[bc];B[aa])))
(;W[ca];B[dc];W[bf];B[eg]
(;W[bc];B[fg];W[ac];B[aa])
(;W[ac];B[af]
(;W[aa];B[bc])
(;W[bc];B[aa])))
(;W[ac];B[bf]))
(;W[ca];B[dc]
(;W[bb];B[be]C[CHOICE];W[bf];B[eg])
(;W[be];B[bb];W[eg];B[bi]))
(;W[eg];B[bi]))
(;W[cc];B[cb])
(;W[eg];B[bi])
(;W[be];B[cc];W[eg];B[bi]))
(;W[cb];B[dc]
(;W[cc];B[bc];W[ca];B[dd];W[be];B[bb])
(;W[bc];B[cc];W[bb];B[be]))
(;W[cc];B[dc];W[cb];B[bc];W[ca];B[dd];W[be];B[bb])
(;W[bc];B[cc])
(;W[bb];B[cc];W[cb];B[dc])
(;W[be];B[bb]))
(;W[ic];B[dc];W[dd];B[cb];W[cc];B[bb]
(;W[be];B[bf]
(;W[eg];B[ca];W[dc]
(;B[bc]
(;W[af]
(;B[ae]
(;W[fg]C[RIGHT])
(;W[ad];B[ac]
(;W[aa];B[ae])
(;W[fg];B[aa]))
(;W[ag];B[ad]))
(;B[ad];W[fg];B[aa];W[ac]))
(;W[fg]C[RIGHT])
(;W[bi];B[ae]))
(;B[af];W[ag];B[ac]
(;W[ae];B[bc]
(;W[fg];B[aa])
(;W[aa];B[ad]))
(;W[aa];B[ad]
(;W[ae];B[bc])
(;W[fg];B[ae])
(;W[ab];B[bc]))
(;W[ad];B[bc])
(;W[fg]
(;B[bc];W[aa]C[RIGHT])
(;B[aa];W[bc]C[RIGHT]))
(;W[bc];B[ad])))
(;W[af];B[ca];W[dc];B[ae]
(;W[eg];B[bc]
(;W[ad];B[ac]
(;W[aa];B[ae])
(;W[fg];B[aa]))
(;W[fg]C[RIGHT]))
(;W[ad])
(;W[ag];B[bc];W[ad];B[ac];W[ae];B[aa]))
(;W[bi];B[ca];W[dc];B[bc]
(;W[af];B[ad]
(;W[ae];B[ag])
(;W[eg];B[ae])
(;W[ac];B[ae]))
(;W[eg];B[ad])
(;W[ac];B[ae])))
(;W[bf];B[be];W[ae];B[ca];W[dc];B[bc];W[ad];B[ac];W[eg];B[aa])
(;W[bc];B[ca];W[dc];B[ab]
(;W[bf];B[be];W[ae];B[ac])
(;W[be];B[bf];W[af];B[ae]
(;W[ad];B[ac])
(;W[eg];B[ag];W[fg];B[af];W[bi];B[ac])))
(;W[ca];B[ba];W[dc];B[be])
(;W[ac];B[ca];W[dc];B[ab];W[be];B[bf];W[af];B[ae];W[ad];B[bc])
(;W[af];B[ca];W[dc]
(;B[ae]
(;W[ad];B[be];W[eg];B[ac])
(;W[be]
(;B[bf]
(;W[eg];B[bc]
(;W[ad])
(;W[fg]C[RIGHT]))
(;W[ad])
(;W[ag];B[bc];W[ad];B[ac];W[ae];B[aa]))
(;B[bc];W[bf]C[RIGHT])
(;B[ac];W[bf]C[RIGHT]))
(;W[bc];B[ac];W[be];B[bf];W[ad];B[ae]))
(;B[bc];W[be];B[ac];W[aa]C[RIGHT])
(;B[ad];W[be]C[RIGHT]))
(;W[ae];B[ca];W[dc];B[af]
(;W[bf];B[be]
(;W[ag];B[bc];W[ad];B[ac];W[af];B[aa])
(;W[ad];B[ac];W[ag];B[bc];W[af];B[aa]))
(;W[be];B[bf])
(;W[ag];B[be]
(;W[bf];B[bc];W[ad];B[ac];W[af];B[aa])
(;W[ad];B[bc];W[bf];B[ac];W[af];B[aa])
(;W[eg];B[ad])
(;W[ac];B[bc]
(;W[bf];B[ad])
(;W[ad];B[ab])
(;W[ab];B[ad]))))))