Rules: You will place the whole A or B or C shape anywhere into the blacks group as your first move. Then it will be blacks turn and the game will continue normally.
The principe of putting the shape into the upper right corner will be explained after you chose the right shape.
Note that the shapes will NOT rotate!
(;AB[sc]AB[rc]AB[qc]AB[pc]AB[oa]AB[ob]AB[oc]AW[na]AW[nb]AW[nc]AW[nd]AW[od]AW[qd]AW[rd]AW[sd]AW[pd]AW[db]AW[dc]AW[cc]AW[fb]AW[gb]AW[gc]AW[jc]AW[kc]AW[kb]AW[jb]LB[ce:A]LB[ge:B]LB[ke:C]AB[ng]AB[nh]AB[ni]AB[nj]AB[rj]AB[ri]AB[rh]AB[rg]AB[ig]AB[hg]AB[gg]AB[fg]AB[eg]AB[eh]AB[ei]AB[ej]AB[gk]AB[fk]AB[ek]AB[hk]AB[ik]AB[ij]AB[ii]AB[ih]AB[qg]AB[pg]AB[og]AB[nk]AB[ok]AB[pk]AB[qk]AB[rk]C[White to do his best in the upper right corner. Please chose the shape you want to put into blacks group by playing A or B or C.FORCE]AP[goproblems]
(;W[ce]LB[gi:A]AW[pi]AW[ph]AW[oi]LB[ki:->]LB[li:->]TR[dc]C[Click on the place where you want the marked stone to be. An example is given: if you would click at A the position like in the right square will occur.];B[se]C[Click on the place where you want the marked stone to be. An example is given: if you would click at A the position like in the right square will occur.FORCE]TR[dc]LB[gi:A]TR[pi]
(;W[rb]AW[ra]AW[qb]C[Nice, black is dead now! :)RIGHT])
(;W[qb]AW[qa]AW[pb]TR[qb];B[rb]TR[qb];W[ra]C[Black gets this thousand year ko, you could do better.])
(;W[sb]AW[rb]AW[sa];B[qb]C[Black is alive.]TR[sb]))
(;W[ge];B[se]C[Click on the place where you want the marked stone to be. An example is given: if you would click at A the position like in the right square will occur.FORCE]TR[gb]LB[gi:A]AW[pi]AW[oi]AW[pj]TR[pi]
(;W[sa]AW[ra]AW[sb];B[qa]C[Back lives.]TR[sa])
(;W[ra]AW[qa]AW[rb];B[sb]C[Seki]TR[ra])
(;W[qa]AW[pa]AW[qb];B[rb]TR[qa];W[ra]C[Black gets this thousand year ko. You could do better.]))
(;W[ke];B[se]C[Click on the place where you want the marked stone to be. An example is given: if you would click at A the position like in the right square will occur.FORCE]TR[kc]LB[gi:A]AW[pi]AW[ph]AW[oh]AW[oi]TR[pi]
(;W[sb]AW[rb]AW[ra]AW[sa];B[qb]TR[sb]C[Black lives.])
(;W[rb]AW[ra]AW[qb]AW[qa];B[sb]TR[rb]C[Black lives.])
(;W[qb]AW[qa]AW[pa]AW[pb];B[rb]C[Black lives.]TR[qb])))