33rd-36th square done

28th-32nd squares done

27th square done

25th and 26th squares done

23rd and 24th squares done

21st and 22nd squares done

20th square done

19th square done

18th square done

17th square done

16th square done

15th square done

14th square done

13th square done

12th square done

11th square done

10th square done

9th square done

8th square done

7th square done

6th square done

5th square

4th square done

3rd square done

Second square done

First square done