These Tours have several properties :
1) Idem Moves : move between 32 and 33 is the same as move between 1 and 64 2) Auto shift32 : shift 32 on every indexes provides an identical chessboard 3) Close Tour : knight move between index 1 and index 64 4) Auto Dual : direct and reverse path are identical 5) Full Magic : tour is magic in the diagonal as well 6) 1/4 Magic : each quarter of chessboard is magic (sum of 130) The number of solutions on each of these properties are outlined in the table below. Furthermore, solutions were grouped according to their specific move 32-33. First and Last column state both indexes (min and max) of the set of the solutions.
The slider below presents by default all the tours from 1 to 1048 (start is D2). it's possible to configure the slider in order to display only a type of tour among the 6 options. The focus of these tours can also be expanded with a specific 32-33 move using the second radio box.
Type of tours depends on selection. For this choice, the displayed tour is 
Select type of Tours for the slider with the choices below