function main() returns nothing
	number i

	for i = 1 to 4
		triangleWheel(120, 12)
		triangleWheel(80, 12)
		triangleWheel(40, 12)
		turnRight(90)
	endfor
endfunction

function triangleWheel(number size, number angle) returns nothing
	number i

	for i = 1 to 360 / angle
		isosceles(size)
		turnRight(angle)
	endfor
endfunction


function isosceles(number size) returns nothing
	number i

	for i = 1 to 3
		goForward(size)
		turnRight(60)
	endfor
endfunction