B A Step 1 C 2 A x 2 pcs 2 1 2 1 B 2 x 1 pc D C x 1 pc Step 2 2 2 D x 1 pc 2 E x 2 pcs E 2 2 F x 1 pc 2 GLASS F 2 pcs M 6x60 M 6x40 GLASS 18 pcs Step 3