Five pairs of clues (always one from each grid) have been exchanged. Each paired solution must be placed somewhere in the opposing grid. Most exchanged solutions have six letters, any variations in enumeration are shown in *brackets. Each pair of solutions are related to each other in some way. But beware, the ten 'exchange' solutions can also be written in a string (alternating between grids) in which all neighbours are related, thus solution 1 relates to solution 2, but solution 2 relates to both 1 & 3 and so on. You might need Exodus or Uriah Heep to understand 2 & 3.