diff --git a/listwork.py b/listwork.py
new file mode 100644
index 0000000..89125d5
--- /dev/null
+++ b/listwork.py
@@ -0,0 +1,24 @@
+def unpack(string):
+	ll = string.split('-_')
+	ll.remove("") # Remove empty line
+	el_col = ll[0].count('-')
+
+	post_ll = []
+	for i in ll:
+		temp = i.split("-")
+		# Multi-add (2, 3 or 5 elements)
+		if el_col == 1:
+			post_ll.append([int(temp[0]), int(temp[1])])
+		elif el_col == 2:
+			post_ll.append([int(temp[0]), int(temp[1]), int(temp[2])])
+		elif el_col == 4:
+			post_ll.append([int(temp[0]), int(temp[1]), int(temp[2]), int(temp[3]), int(temp[4]) ])
+	return post_ll
+
+def pack(ll):
+	string = ''
+	for el in ll:
+		for i in el:
+			string += str(i) + '-'
+		string += '_'
+	return string
diff --git a/post.py b/post.py
new file mode 100644
index 0000000..d9cddce
--- /dev/null
+++ b/post.py
@@ -0,0 +1,19 @@
+import requests
+# Work with list-like objects
+from listwork import *
+
+server = 'http://127.0.0.1:3333'
+
+# Draw some pixels
+# [[x, y, color-1, color-2, color-3], ...]
+fill = {"main": pack([[200, 100, 0, 0, 0], [15, 30, 255, 54, 43]]) }
+response = requests.post(server, data=fill)
+if response:
+	print("posted")
+
+# Get color code of coords
+# [[x,y], ...]
+xys = pack([[200,100], [13,10], [50,50]])
+response = requests.get(f'{server}/get_color={xys}')
+print( unpack(response.text) )
+
diff --git a/server.py b/server.py
new file mode 100644
index 0000000..73558c0
--- /dev/null
+++ b/server.py
@@ -0,0 +1,120 @@
+from http.server import BaseHTTPRequestHandler, HTTPServer
+from urllib.parse import parse_qs
+from io import BytesIO
+from PIL import Image
+import numpy as np
+import time
+
+# Easy debug
+from icecream import ic
+# ic.disable() # Turn off
+
+# Limit for requests
+LTIME = cur_time = time.monotonic()
+globals().update(locals())
+
+# Key by value
+def kbv(dict_, value):
+	for i in dict_:
+		if dict_[i] == value:
+			return i
+
+# Work with list-like objects
+from listwork import *
+
+
+class RequestHandler(BaseHTTPRequestHandler):
+	MATRIX_SIZE = (720, 1024)
+
+	def do_GET(self):
+		params = parse_qs(self.path[1:])
+		ic(params)
+		if 'get_color' in params:
+			xys = unpack(params['get_color'][0])
+			ic(xys)
+			matrix = self.get_matrix()
+			colors = []
+			for i in xys:
+				ic(i)
+				x = i[0] ; y = i[1]
+				color = matrix[x][y]
+				ic(color)
+
+				colors.append(color)
+
+			colors = pack(colors)
+			ic(colors)
+
+			self.send_response(200)
+			self.send_header('Content-type', 'text/plain')
+			self.end_headers()
+			self.wfile.write(f'{colors}'.encode())
+
+		else:
+			self.send_response(200)
+			self.send_header('Content-type', 'image/png')
+			self.end_headers()
+			matrix = self.get_matrix()
+			matrix = np.flip(matrix, axis=0) #Fix flip on server side
+			self.send_image(matrix)
+
+	def do_POST(self):
+		global LTIME
+		cur_time = time.monotonic()
+
+		if cur_time - LTIME <= 0.0001:
+			self.send_error(429, 'Too Many Requests')
+			self.send_response(429)
+			return 0
+		else:
+			LTIME = time.monotonic()
+
+		content_length = int(self.headers['Content-Length'])
+		body = self.rfile.read(content_length)
+		params = parse_qs(body.decode('utf-8'))["main"]
+		ic(params)
+
+		matrix = self.get_matrix()
+
+		ll = unpack(params[0])
+		for i in ll:
+			x = i[1] ; y = i[0] #Fix (y, x) -> (x, y) on server side
+			matrix[x, y] = [i[2], i[3], i[4]]
+
+		self.save_matrix(matrix)
+		self.send_response(302)
+		self.send_header('Location', '/')
+		self.end_headers()
+
+	def get_matrix(self):
+		try:
+			with open('matrix.npy', 'rb') as f:
+				matrix = np.load(f)
+		except FileNotFoundError:
+			matrix = np.full(shape=(*self.MATRIX_SIZE, 3), fill_value=255, dtype=np.uint8)
+			self.save_matrix(matrix)
+
+		return matrix
+
+	def save_matrix(self, matrix):
+		with open('matrix.npy', 'wb') as f:
+			np.save(f, matrix)
+
+	def send_image(self, matrix):
+		image = Image.fromarray(matrix)
+		buffer = BytesIO()
+		image.save(buffer, format='PNG')
+		self.wfile.write(buffer.getvalue())
+
+def run():
+	server = HTTPServer(('127.0.0.1', 3333), RequestHandler)
+	server.serve_forever()
+
+while True:
+	try:
+		run()
+		print(1)
+	except KeyboardInterrupt:
+		exit()
+	except:
+		pass