diff --git a/README.md b/README.md
index 02f6ee1..6022bfd 100644
--- a/README.md
+++ b/README.md
@@ -28,3 +28,12 @@ This one is not working. Not bothering to fix it, got no git history.
Functional implementation.
+
+
+## Functional with RLE rules
+
+By Patrik Torkildsen.
+Implements [Run Length Encoded (RLE)](https://conwaylife.com/wiki/Run_Length_Encoded) rules.
+
+
+
diff --git a/fp-rle/ca-fp.html b/fp-rle/ca-fp.html
new file mode 100644
index 0000000..50bb677
--- /dev/null
+++ b/fp-rle/ca-fp.html
@@ -0,0 +1,35 @@
+
+
+
+ CA
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/fp-rle/ca-fp.js b/fp-rle/ca-fp.js
new file mode 100644
index 0000000..535a7ef
--- /dev/null
+++ b/fp-rle/ca-fp.js
@@ -0,0 +1,190 @@
+"use strict";
+
+var patterns = {
+
+ 'gospelgun': {
+ x: 36,
+ rle: "24bo11b22bobo11b12b2o6b2o12b2o11bo3bo4b2o12b2o2o8bo5bo3b2o14b2o8bo3bob2o4bobo11b10bo5bo7bo11b11bo3bo20b12b2o22b"
+},
+
+ 'diamond': {
+
+ x: 12,
+ rle: '4b4o4b12b2b8o2b12b12o12b2b8o2b12b4b4o4b'
+
+ },
+
+ 'flammenkamp': {
+ x: 13,
+ rle: '7b2o4b7bobo3b2bo4bob2o2bb2o5bo4bo2bo9b3o10b23b3o9bo2bo4bo5b2ob2b2obo4bo2b3bobo7b4b2o7b'
+ },
+
+ 'c2ship': {
+ x: 13,
+ rle: '1o12b4o9b2b2o9b5b1o7b6o7b6b1o1b1o4bobob6o3bob2o5b2o2b4b2o4b2ob5o4b2o2b13b5o4b2o2b4b2o4b2obob2o5b2o2bobob6o3b6b1o1b1o4b6o7b5b1o7b2b2o9b4o9bo12b'
+ }
+
+};
+
+
+
+function curry(fn) {
+ return function(...args) {
+ if(fn.length > args.length) {
+ var arg = args;
+ return function(...args) {return fn.apply(null, arg.concat(args));};
+ }
+ return fn.apply(null, args);
+ };
+}
+
+
+function compose(f,g) {
+ return function(x) { return f(g(x)); };
+}
+
+
+function pipe(...fns) {
+ return fns.reduce(compose);
+}
+
+var getEle = curry(function(ele) {
+ return (document.querySelectorAll(ele).length === 1) ? document.querySelector(ele) : [...document.querySelectorAll(ele)];
+});
+
+var map = curry(function(fn,arr) {
+ return Array.prototype.map.call(arr, fn);
+});
+
+var get = curry(function(what,x) {
+ return x[what];
+});
+
+
+var forEach = curry(function(fn,arr) {
+ return Array.prototype.forEach.call(arr, fn);
+
+});
+
+
+var log = function(x) {
+ console.log(x); return x;
+};
+
+
+var calcRules = function(ele, index, arr) {
+
+var gridLength = Math.sqrt(arr.length);
+
+var r = Math.floor(index/gridLength);
+
+var neighbours =
+ arr[(index-1+arr.length)%arr.length]+
+ arr[(index - gridLength+arr.length)%arr.length]+
+ arr[(index + gridLength+arr.length)%arr.length]+
+ arr[(index+1+arr.length)%arr.length]+
+ arr[(index - gridLength - 1+arr.length)%arr.length]+
+ arr[(index - gridLength + 1+arr.length)%arr.length]+
+ arr[(index + gridLength - 1+arr.length)%arr.length]+
+ arr[(index + gridLength + 1+arr.length)%arr.length];
+
+if((ele === 1 && neighbours < 2) || (ele === 1 && neighbours > 3)) {
+ return 0;
+}
+
+if((ele === 1 && neighbours === 2) || (ele === 1 && neighbours === 3)) {
+ return 1;
+}
+
+if(ele === 0 && neighbours === 3) {
+ return 1;
+}
+
+else {
+ return ele;
+}
+
+};
+
+
+var getCanvas = curry(function(type, id) {
+ return HTMLCanvasElement.prototype.getContext.call(getEle(id), type);
+});
+
+
+
+var draw = curry(function(ctx, arr) {
+ ctx.clearRect(0,0,ctx.canvas.width,ctx.canvas.height);
+ forEach((ele, index)=>{
+ if(ele === 1) {
+ var gridLength = Math.sqrt(arr.length);
+ var r = Math.floor(index/gridLength);
+ ctx.fillStyle = "#000000";
+ ctx.fillRect(index%gridLength*ctx.canvas.width/gridLength+0.5,
+ r*ctx.canvas.height/gridLength+0.5,
+ ctx.canvas.width/gridLength-0.5,
+ ctx.canvas.height/gridLength-0.5);
+ ctx.fillStyle = "#cccccc";
+ ctx.fillRect(index%gridLength*ctx.canvas.width/gridLength+1.0,
+ r*ctx.canvas.height/gridLength+1.0,
+ ctx.canvas.width/gridLength-1.0,
+ ctx.canvas.height/gridLength-1.0);
+ }
+
+ },arr);
+
+ var fps = setTimeout(()=>{
+ clearTimeout(fps);
+ newState(arr);
+
+ },1000/60);
+});
+
+var decodeRLE = function(str) {
+ return str.replace(/(\d+)(\w)/g,
+ function(m,n,c){
+ return new Array( parseInt(n,10)+1 ).join(c);
+ });
+};
+
+var arrayPattern = function(ele) { return ele==="b"?0:1; };
+
+var generateGrid = function(initPattern) {
+ //var size = 512;
+ var size = 256;
+ var grid = [];
+ while(grid.length < size*size) {
+ if(initPattern.length && grid.length%size === (size/2) - Math.ceil(initPattern[0].length/2)
+ && grid.length/size > (size/2) - Math.ceil(initPattern.length/2)) {
+ grid.push(...initPattern.shift());
+ } else {
+ grid.push(0);
+ }
+
+ }
+
+ return grid;
+};
+
+var rleArray = compose(map(arrayPattern), decodeRLE);
+
+var to2dArr = function(pattern) {
+ var arr = rleArray(patterns[pattern].rle);
+ var result = [];
+ var chunk = patterns[pattern].x;
+ while(arr.length !== 0) {
+ result.push(arr.splice(0, chunk));
+ }
+ return result;
+};
+
+var newState = compose(draw(getCanvas('2d', '#board')), map(calcRules));
+
+var setInitGrid = compose(generateGrid, to2dArr);
+
+var render = compose(newState, setInitGrid);
+
+render('gospelgun');
+//render('diamond');
+//render('flammenkamp');
+//render('c2ship');
diff --git a/fp-rle/recording.gif b/fp-rle/recording.gif
new file mode 100644
index 0000000..feaf3a7
Binary files /dev/null and b/fp-rle/recording.gif differ