My comments are in the game

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19 C17 block from the other side. He's now overconcentrated and has trouble forming a base
25 J17 hane from below. Make it harder for him to settle
29 I don't like it. I don't really see the purpose
63 h19 and L16 look like miai now. I think I'd play L16 now sealing him in sente
81 Why connect? You're strong on both sides now
83 Don't like the shape. I'd play L16, but there are several other moves in that area that seem to seal him in in sente.
86 now he's alive and you have bad shape
89 I would have blocked on the same side as you. But I'm not sure if that's right.
99 Now I would have taken the stone seperating him
139 What does this move accomplish? If you want to play in that area I'd look at L15, but I would tenuki
146 If you tenuki now you'll fall to the crane's nest. Not sure if O15 N16 or N17 is best. N16 looks like a good compromise between shape and points
169 I think C1 kills. I don't think he has enough outside liberties - Among the blind the one eyed is king
171 why do you care about that stone?
203 If he throws in at C1 it's still seki
211 He can still throw in at C1. This move is a pass
213 He tenukid, now the group is dead, and you play small endgame for several moves?
223 Risky. As white I'd consider K8. Then B has the choice of either taking the white stones, or protecting his central territory. No idea what's bigger.

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Sanity is for the weak.

A few ideas: