epiccuriosity: Could you explain what White is accomplishing and why these moves are prudent? Please be specific.
d4rkm4tter: Q:"How should Black make good shape for his stones on the outside?"
A:"Black 1 is an agggressive bump against the white stone. After White defends with 2, Black makes thickness with 3. He can now even sacrifice a stone on the left."
Could you explain what White is accomplishing and why these moves are prudent? Please be specific.