Put a 1x1 to the right.
Put a ridged 2x1 hor to the right, the horizontal ridge to the
front.
Put a 6x1 hor to the right.
Put a 4x1 hor to the right.
Bag 8.
Put a F 3x1 hor on the left end of the back wall.
Put a F 4x1 ver to the right and to the front.
Put a F 3x1 hor to the right, on the back wall.
Put a F three-button corner piece to the right and to the front,
letter F.
Put a F 8x1 hor to the right, on the back wall.
Put a F 8x1 to the right.
Bag 9.
Put a F 2x1 hor on the left end of the front wall.
Put a 2x1/2x1 corner piece hor to the right, the side buttons to
the back.
Put a F 4x1 hor to the right.
Put a 2x1/2x1 corner piece hor to the right, as before.
Put a F 8x1 hor to the right.
Put a 2x1/2x1 corner piece hor to the right, as before.
Put a F 2x1 hor to the right.
Put a F 3x1 hor to the right.
Bag 10.
Put a three-button corner piece on the back end of the left edge
and to the left, letter J (2-4-5).
Put a FS 4x1 hor to the right, on the back wall.
Put a FS 2x1 hor to the right.
Put a F 2x1 hor to the right.
Put a FS 4x1 hor to the right.