// circles drawn with opacity, // the more times the whiter - and indication of frequency // specifying an array by listing elements int[] nums = { 1, 5, 8, 9, 4, 5, 2, 7, 9, 5, 3, 7, 5, 6, 3 }; void setup () { size(10*30, 140); background(0); fill(255, 75); // transparent white smooth(); noLoop(); // at once the entire picture is produced } void draw() { for (int i = 0; i