Need save a path in initial order

I agree. Instruction is stupid

I understood that need save the sequence but i don't see it in intstructions.
And "… a man was given directions to go from one point to another." but " Hence the result path is itself : ["NORTH", "WEST", "SOUTH", "EAST"]."
Why man need walk around if he comes to the same point?

The length and width of the rectangle are not fixed. Very bad task description

Start by looking for the dependence of the first number of the pyramid row on the number of this row.
If you get this formula, then you will determine the number for the beginning of the cycle, in which you will need to add up all the odd numbers of this series.

Thanks! I thought import is automatic. Now all correct.

Why i get tese errors?

./src/main/java/Kata.java:3: error: cannot find symbol
List index = new ArrayList<>();
^
symbol: class List
location: class Kata
./src/main/java/Kata.java:3: error: cannot find symbol
List index = new ArrayList<>();
^
symbol: class ArrayList
location: class Kata
./src/main/java/Kata.java:10: error: cannot find symbol
List nums = new ArrayList<>();
^
symbol: class List
location: class Kata
./src/main/java/Kata.java:10: error: cannot find symbol
List nums = new ArrayList<>();
^
symbol: class ArrayList
location: class Kata
./src/main/java/Kata.java:15: error: cannot find symbol
Collections.sort(nums);
^
symbol: variable Collections
location: class Kata
5 errors