The blue boxes below should be in numeric order and form a backwards "D". (Boxes labelled "A" should be in the first column; boxes labelled "B" should be in the second; arrows indicate the correct alignment.)

B 2 ⇨

A 1 ⇨

B 4 ⇨

⇦ A 3

B 6 ⇨

⇦ A 5

⇦ A 7

B 8 ⇨

B 10 ⇨

A 9 ⇨