[[0, ["start", 51], 400, 220, [null, 1]],
[1, ["repeat", 21], 418, 266, [0, 2, 3, null]],
[2, ["number", 4], 477, 266, [1, null]],
[3, "forward", 436, 308, [1, 6, 4]],
[4, "right", 436, 350, [3, 5, null]],
[5, ["number", 90], 494, 350, [4, null]],
[6, ["number", 100], 507, 308, [3, null]]]