#!/usr/bin/env python3 import os def check_align(i, j): return b'\x04' + j.to_bytes(1, 'little') + i.to_bytes(1, 'little') def cycle(): return b'\x01' def done(): return b'\x00' def move(): return b'\x02' def place(): return b'\x03' def fill_column(skip = True): res = b'' for _ in range(0xb): if not skip: res += place() res += move() if not skip: res += place() return res def fill(): res = b'' res += cycle() * 3 res += fill_column(False) for _ in range(5): res += cycle() + move() + cycle() res += fill_column() res += cycle() * 3 + move() + cycle() * 3 res += fill_column() res += cycle() + move() + cycle() res += fill_column(False) for i in range(0xc): for j in range(0xc): res += check_align(i, j) return res + done() res = fill() os.write(1, res)