Data commit

Task/Spiral-matrix/11l/spiral-matrix.11l

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+F spiral_matrix(n)
+   V m = [[0] * n] *n
+   V d = [(0, 1), (1, 0), (0, -1), (-1, 0)]
+   V xy = (0, -1)
+   V c = 0
+   L(i) 0 .< n + n - 1
+      L 0 .< (n + n - i) I/ 2
+         xy += d[i % 4]
+         m[xy.x][xy.y] = c
+         c++
+   R m
+
+F printspiral(myarray)
+   L(y) 0 .< myarray.len
+      L(x) 0 .< myarray.len
+         print(‘#2’.format(myarray[y][x]), end' ‘ ’)
+      print()
+
+printspiral(spiral_matrix(5))