Instructions
Place piece No. 7, "red tall-L-bump," in the bottom-right corner. Position piece No. 1, "red flat-X-plus," to the left of piece No. 7.
Place the "yellow twisted-Z," piece No. 8, in the upper-left corner. Place the "red bent-W-tip," piece No. 3, on top of No. 7 in the bottom-right corner. Place the "yellow folded-X," piece No. 4, in the top-right corner. Place the "red z-bump," piece No. 5, to the right of No. 4.
Select piece No. 12, called the "yellow squiggle," under piece No. 1, "red flat-X-plus." Select piece No. 0, labeled "blue flat-R," and snap into place in the top-right corner above the "yellow folded-X," piece No. 4.
Place the "yellow L-bump-end," piece No. 9, in the bottom-left corner above the "yellow twisted-Z, piece No. 8. Select the "blue bent-R-tip," piece No. 11, and place in the lower-left corner. Place "yellow bent-T," piece No. 6, in the top-right corner. Select the "blue flat-R, No. 0, and place it top left. Place the last remaining piece, No. 2, "yellow flat-W," on top and you have solved the Bedlam Cube.