blocks/task3/maps/level4/text_input/2.txt

(A)
- Stack with purple block
- Stack with red block, orange block, green block, from bottom to top

(B)
- Stack with orange block
- Stack with purple block
- Stack with blue block
- Stack with green block, yellow block, from bottom to top

(C)
- Stack with purple block, green block, orange block, red block, from bottom to top

(D)
- Stack with purple block
- Stack with blue block
- Stack with red block, yellow block, from bottom to top