on rightclick on sugar cane:
	if block below target block is sugar cane:
		if block above target block is air:
			set target block to air
			give 1 sugar cane to player
	if block below target block is sugar cane:
		if block above target block is sugar cane:
			set target block to air
			set block above target block to air
			give 2 sugar cane to player