To save set the array size to (sprite.count, 2, 1) and use a
For each sprite
--- array: set (loopindex, 0) to sprite.x
--- array: set (loopindex,1) to sprite.y
To load use
Array: for each x
--- system:create sprite at (array.at(array.curx, 0), array.at(array.curx, 1))