Board Thread:Questions and Answers/@comment-11700680-20170920202000/@comment-24930367-20170921021031

For specific DD, 4-3 is faster if RNG isn't against you.

Main point of 3-2 is it's nearly risk-free and cheap, allowing you to stockpile even if you do it like a madman.

Besides, 4-3 also needs rotation if you want to do it faster.