With each step we go forward and then to our left.
North Tiles Twist Each Step PRODUCT West Tiles SUM West Tiles
West Tiles Twist Each Step CALC 0 - West * Twist North Tiles SUM North Tiles
With each step we go forward and then to our left.
North Tiles Twist Each Step PRODUCT West Tiles SUM West Tiles
West Tiles Twist Each Step CALC 0 - West * Twist North Tiles SUM North Tiles