WoodMan 潛水喵 says to YSITD 假設led有5顆 l = 1 l_1 = 2 l_2 = 3 l_3 = 4 l_4 = 5 這還好 他之前有 l1 = 2 l2 = 3 l4 = 5 l5 = 1 l6 = 4 完全不照順序的ww