// You can find the Turtle API reference here: https://turtletoy.net/syntax
Canvas.setpenopacity(1);

// Global code will be evaluated once.
const turtle = new Turtle();
turtle.penup();
turtle.goto(0,0);
turtle.pendown();

// The walk function will be called until it returns false.
function walk(i) {
    turtle.pendown();
    if (i % 3) turtle.penup(); 
    turtle.forward(i/13);
    turtle.right(260/7);
    return i < 1313;
}