I. [v71-127] on the intersections of the lines of a rectangular grid (size at random) dots are arranged with at random selection of size (5 sizes); black ink with graphite pencil on paper
II. [v71-128] on the intersections of the lines of a rectangular grid with at random size, dots in 1 size (3 mm) arranged; black ink with graphite pencil on paper
III. [v71-129] horizontal and vertical lines are drawn with randomly chosen distances; black ink with graphite pencil on paper
IV. [v71-130] horizontal and vertical lines with at random selected distances (4-100 mm); inside each horizontal row one rectangle is selected and coloured red, blue or yellow (with random choice); coloured ink with graphite pencil on paper
V. [v71-133] on the intersections of 50 randomly selected diagonals, dots are arranged with at random selection of size (in 5 sizes); black in with graphite pencil on paper
VI. [v71-134] on the intersections of 10 randomly selected diagonals, dots are arranged with at random selection of size (in 5 sizes); black ink with graphite pencil on paper
VII. [v71-135] on the intersections of 10 randomly selected diagonals, dots are arranged with at random selection of size (in 5 sizes) [program as v71-134]; black ink with graphite pencil on paper
VIII. [v71-136] on the intersections of 10 randomly selected diagonals, circles are arranged with at random selection of size (5 sizes, 2-6 mm); black ink with graphite pencil on paper
IX. [v71-137] on the intersections of 10 randomly selected diagonals, circles are arranged with at random selection of sizes (5 sizes, 2-10 cm) [program as v71-136]; black inki with graphite pencil on paper
X. [v71-156] on the intersections of the lines of a 4 × 4 cm grid, lines are drawn with randomly selected position (horizontal/vertical), size (1-80 mm) and center (0-40 mm); black ink with graphite pencil on paper
XI. [v71-157] starting from each corner 2 points on both sides are randomly selected and connected by a line, resulting in 4 rectangles no overlap allowed; black ink with graphite pencil on paper
XII. [v71-166] 2 crossing lines, horizontal and vertical, with at random selected place; black ink with graphite pencil on paper
XIII. [v71-167] 2 crossing lines, horizontal and vertical, with at random selected place [program as v71-166]; black ink with graphite pencil on paper
XIV. [v71-168] 4 randomly selected coordinates on each side, connected by 2 lines; black ink with graphite pencil on paper
XV. [v71-169] 4 randomly selected coordinates on the sides, connected by 2 crossing lines; black ink with graphite pencil on paper
XVI. [v71-170] 4 randomly selected coordinates on the sides, connected by 2 crossing lines [program as v71-169]; black ink with graphite pencil on paper
XVII. [v71-178] 8 randomly selected points (3-10 → 8), connected by lines; black ink with graphite pencil on paper
XVIII. [v71-179] 5 randomly selected points (3-10 → 5), connected by lines [program v71-178]; black ink with graphite pencil on paper