public byte[] GetRandomT(int arrayLength)
{
var p = _p.ToArray();
var length = p.Length;
var randomArray = new byte[arrayLength];
var bytes = _xorShift.GetBytes(arrayLength);
for (var i = 0; i < arrayLength; i++)
{
var b = bytes[i];
for (byte j = 0; j < length; j++)
{
if (b > p[j])
{
continue;
}
randomArray[i] = j;
break;
}
}
return(randomArray);
}