⇣ sllimp ⇣sll100imp000sll500imp00002sll1000imp00004sll2000imp00008sll5000imp00019sll10000imp00038⇣ sllimp ⇣sll1,00000imp00380sll5,00000imp019sll10,00000imp038sll25,00000imp095sll50,00000imp190sll100,00000imp380