diff --git a/src/constants.ts b/src/constants.ts
index 8a10977..5ac6f44 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -11,11 +11,4 @@ export const DEFAULT_RECT = {
   height: 10,
 };
 
-export const INTERVAL = {
-  a: { x: 0, y: 89 },
-  b: { x: 90, y: 179 },
-  c: { x: 180, y: 269 },
-  d: { x: 270, y: 360 },
-};
-
 export const NUMBER_OF_INTERVALS = 6;
diff --git a/src/utils.ts b/src/utils.ts
index 0c6ad35..ba51a27 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -2,7 +2,7 @@ import {
   CONTAINER_HEIGHT,
   CONTAINER_WIDTH,
   DEFAULT_RECT,
-  INTERVAL,
+  NUMBER_OF_INTERVALS,
 } from "./constants";
 
 export type Word = {
@@ -116,6 +116,11 @@ export const cumulativeBins = (bin: number[]): number[] => {
   );
 };
 
+// https://stackoverflow.com/questions/36947847/how-to-generate-range-of-numbers-from-0-to-n-in-es2015-only
+// range(0, 9, 2) => [0, 2, 4, 6, 8]
+export const range = (from: number, to: number, step: number) =>
+  [...Array(Math.floor((to - from) / step) + 1)].map((_, i) => from + i * step);
+
 // This function puts the word in a random place on a circle
 export const placeWordOnOuterCircle = (
   w: Rectangle,
@@ -141,16 +146,21 @@ export const placeWordOnOuterCircle = (
   // Add to weights the position that has just been drawn
   weight[inter] += 1;
 
-  let angleInter = { x: 0, y: 360 };
+  // Calculate the size of each intervals
+  const ratio = 360 / NUMBER_OF_INTERVALS;
+
+  // create the intervals
+  const rangeInterval = range(0, 360, ratio);
 
-  if (inter === 0) {
-    angleInter = INTERVAL.a;
-  } else if (inter === 1) {
-    angleInter = INTERVAL.b;
-  } else if (inter === 2) {
-    angleInter = INTERVAL.c;
-  } else if (inter === 3) {
-    angleInter = INTERVAL.d;
+  let angleInter;
+
+  if (Number.isInteger(inter)) {
+    angleInter = {
+      x: rangeInterval[inter],
+      y: rangeInterval[inter + 1] - 1,
+    };
+  } else {
+    angleInter = { x: 0, y: 360 };
   }
 
   const angle = randomInterval(angleInter.x, angleInter.y);