// Give a groove, like 7-6-6-6, returns all possible permutations.
// - 7-6-6-6
// - 6-7-6-6
// - 6-6-7-6
// - 6-6-6-7
public static int[][] GetAvailableGrooves(int[] groove)
{
ValidateGroove(groove);
// Get all permutations
var permutations = new List <int[]>();
Utils.Permutations(groove, permutations);
return(permutations.ToArray());
}
