there is 6 volume of books on a track kept in order such as vol 1 vol 2 and so on after some readers used them their order got disturb them the change show as follows
vol 5 has directly to the right of vol 2
vol 4 has vol 6 to its left and both were not at vol 3 space
vol 1 has vol 3 on and vol 5 on left
an even number volume is at volume 5`s place find the order in which the books are kept now