Board 2
Right, Up, Right, Down

Board 3
Right, Left, A, A

Board 4
Right, Right, Up, Up, Left, Right, Left, Left, Up, Left, Right, Left

Board 5
Left, Up, Left, Right
Then, lose a life and crash to get to the next board.

Board 6
A, Right, Right, Left, Left, Left, Up, A, Left, Left, Left, Right, Left, Right, Right, Left

Board 7
Right, Left, Right, Right, Right, Left, Right, Up, Right, Left, Left, Right, Left

Board 8
Left, Right, Left, Left, Right, Right, Right, Left, Right, Up, Left, Left, Right, Up

Board 9
A, B, A