(;AB[ki]AB[kj]AB[kk]AB[kl]AB[jl]AB[ik]AB[hk]AB[hj]AB[hi]AB[hh]AB[jh]AW[jm]AW[km]AW[hl]AW[gk]AW[gj]AW[gi]AW[gh]AW[gg]AB[hg]AW[hf]AW[if]AW[jf]AW[kg]AW[li]AW[lj]AW[lk]AW[ll]AW[jj]LB[jj:1]C[White attacks at 1. How can black save his group?]AW[im]AW[lh]AP[goproblems]
(;B[ii];W[ig])
(;B[ji];W[ig]
(;B[ih];W[ij])
(;B[ij];W[ih]))
(;B[ij];W[ig]
(;B[ji];W[ih])
(;B[ih];W[ji]))
(;B[ig]
(;W[ii]
(;B[ji];W[ij]C[seki in sente. This is the best solution.RIGHT])
(;B[ij];W[ji]C[]
(;B[jg]
(;W[kh];B[il]C[seki in gote. Not optimal, but black is alive.RIGHT])
(;W[il];B[kh]C[seki in gote. Not optimal, but black is alive.RIGHT]))
(;B[il]C[seki in gote. Not optimal, but black is alive.RIGHT];W[kh];B[jg]C[seki in gote. Not optimal, but black is alive.RIGHT])
(;B[kh]C[seki in gote. Not optimal, but black is alive.RIGHT]))
(;B[jg];W[ji]
(;B[ij]
(;W[kh];B[il]C[seki in gote. Not optimal, but black is alive.RIGHT])
(;W[il];B[kh]C[seki in gote. Not optimal, but black is alive.RIGHT]))
(;B[kh];W[ij])
(;B[il];W[ij]))
(;B[lf];W[ji];B[ij];W[kh]
(;B[il];W[jg])
(;B[jg];W[il]))
(;B[kh]
(;W[ji];B[ij]C[seki in gote. Not optimal, but black is alive.RIGHT])
(;W[ij];B[ji]C[seki in gote. Not optimal, but black is alive.RIGHT]))
(;B[il];W[ji];B[ij];W[kh];B[jg]C[seki in gote. Not optimal, but black is alive.RIGHT]))
(;W[ji];B[ii]C[RIGHT])
(;W[jk];B[ji]C[RIGHT])
(;W[ij];B[ii]C[RIGHT])
(;W[il];B[ji]C[RIGHT]))
(;B[jg];W[ig]))
maba