User blog comment:Ynought/Another shot at a game related function/@comment-25601061-20181111203906/@comment-36957202-20181112143342

>what's the starting position

starting position is at the bottom left

>what are the valid types of instructions

the instruction are arrows that point in the direction where you are going

>what does it mean for a line to be placed "at every unit square"?

it means that after every 1 unit there is a line