(;AB[fb]AB[gb]AB[hb]AB[ib]AB[hc]AB[kb]AB[ka]AB[jc]AB[jd]AW[eb]AW[ec]AW[fc]AW[gc]AW[hd]AW[fe]AW[jf]AW[ke]AW[kd]AW[kc]AW[lb]AW[la]AW[hf]AW[mc]LB[mf:T]C[If you think black is unconditionally alive then play at T to tenuki, else kill black.]AP[goproblems]
(;W[mf];B[id])
(;W[id]
(;B[fa]
(;W[ha]
(;B[ia]
(;W[jb]C[RIGHT])
(;W[ic];B[jb])
(;W[je];B[jb])
(;W[ja];B[jb]))
(;B[jb];W[ia]C[RIGHT])
(;B[ic];W[ja]
(;B[jb];W[ia]C[RIGHT])
(;B[ia];W[jb]C[RIGHT]))
(;B[ja];W[ic]C[RIGHT]))
(;W[ga];B[ic]
(;W[ja];B[jb])
(;W[ia];B[ha])
(;W[jb];B[ja]))
(;W[ia];B[ha]
(;W[jb];B[ja])
(;W[ja];B[jb]))
(;W[ja];B[jb])
(;W[jb];B[ja]
(;W[ha];B[ic])
(;W[ic];B[ha]))
(;W[ic];B[jb]))
(;B[ic];W[ja]
(;B[jb];W[fa]
(;B[ia];W[ga]C[RIGHT])
(;B[ga];W[ia]C[RIGHT]))
(;B[ia];W[jb]C[RIGHT])
(;B[fa];W[jb]C[RIGHT]))
(;B[jb];W[fa]C[RIGHT])
(;B[ga];W[ja];B[jb];W[ia]C[RIGHT])
(;B[ha];W[fa]
(;B[ja];W[ic]C[RIGHT])
(;B[ic];W[ja]C[RIGHT]))
(;B[ia];W[jb]
(;B[ic];W[ja]C[RIGHT])
(;B[ja];W[ic]C[RIGHT]))
(;B[ja];W[ic]
(;B[ha];W[fa]C[RIGHT])
(;B[fa];W[ha]C[RIGHT])))
(;W[ja];B[jb]
(;W[id];B[fa])
(;W[fa];B[id])
(;W[ia];B[fa]
(;W[id];B[ha])
(;W[ha];B[id])))
(;W[jb];B[ja];W[id];B[ic])
(;W[fa];B[id])
(;W[ia];B[ha]
(;W[fa];B[id])
(;W[ja];B[jb]
(;W[fa];B[id])
(;W[id];B[fa]))
(;W[jb];B[ja])
(;W[id];B[fa]
(;W[ja];B[jb])
(;W[jb];B[ja]))))