There are 5 different caps c1,c2,c3,c4 and c5 and 5 different boxes B1,B2,B3,B4 and B5. The capacity of each box is sufficient to accomodate all the 5 caps.
If C1 and C5 are similar in all aspects, in how many ways can you arrange the caps in such a way that all the boxes have one cap?