A mobile game is such that the character will always walk 3 steps North, 4 steps East, 11 steps
South and 10 steps West in the same order, over and over again. How far is the character from
its original position after doing the procedure 20 times?
Position after 1st procedure:
11-3=8 steps South
10-4=6 steps West.
Position after 20th procedure:
8*20=160 steps South
6*20=120 steps West.
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