Directions : Read the following instructions carefully and answer the following questions.

There are certain numbers of boxes which are coded by some numbers -1, 2, 3 which are placed in three stacks – Stack-1, Stack-2, and Stack-3 from West to East. At least two boxes are placed in each stack. Each stack has seven shelves in such a way that the lowermost shelf is numbered as 1; the shelf immediately above the lowermost shelf is numbered 2 and so on. Each box which is coded by respectively 1, 2, and 3 is divided into different heights of  5 cm, 10 cm, and 15 cm respectively. No two boxes are placed on the same shelf of the same stack.

Five shelves are there between boxes B3 and C1 and both of them are not placed in the same stack. Box C2 and C1 are not placed in the same stack. Box C2 is placed in stack 1. Box B1 is placed southeast of box A1 on shelf 4 and west of box A3. Box B3 is placed in stack 3. Box B2 has been placed three shelves above box C2 in the same stack. Box A1 is not placed on the topmost shelf. Box C3 is two places above box A3 in the same stack. Box B3 is in the northeast direction of box B2. Box A2 has been placed at the east of box C1 on the same shelf. Box C2 is placed on an even-numbered shelf.