(;AW[pb]AW[pc]AW[pd]AB[oc]AB[md]AB[od]AB[ne]AB[kd]AB[jd]AB[mc]AW[na]AB[hc]AB[fc]AB[lc]AW[pe]AW[of]AW[ld]AW[le]AW[nf]AW[mf]C[Play the best endgame around O19, sente is not important.]AB[nd]AW[me]AW[oe]AB[id]AB[hd]AB[gd]AP[goproblems]
(;B[ma]
(;W[nb]
(;B[ob];W[oa];B[mb]C[Congratulations! You are true monkey king! Like Tarzan or King Kong.. Nice ;-)RIGHT])
(;B[mb];W[ob]C[Oh, you forgot this move :(]))
(;W[mb]C[NOTTHIS];B[oa];W[la];B[ob]C[Black kills white and gets everything.RIGHT]))
(;B[oa];W[ob]
(;B[nb];W[ma];B[la];W[pa];B[mb];W[oa]C[Two points behind :-(])
(;B[ma];W[nb]))
(;B[mb];W[ma];B[ob];W[oa];B[la];W[nb]C[A bit worse than the solution..])
(;B[nb];W[ma]
(;B[la];W[ob];B[mb];W[oa]C[Two points behind :-(])
(;B[oa];W[ob];B[la];W[pa];B[mb];W[oa]C[Two points behind - now you have to protect against L18.]))
(;B[ob];W[oa];B[mb];W[ma];B[la];W[nb]C[A bit worse than the solution..])
(;B[la];W[nb];B[ob];W[oa]))