I. [v73-120s] on the intersections of the lines of a 1.75 × 1.75 cm grid, dots of one size ('3') are placed with at random choice to place the element or not; black ink with graphite pencil on paper

II. [v73-124] on the intersections of a random number of diagonal lines (3 to 10 → 6), dots with at random selected size ('1' to '5') and colour (red/yellow/blue) are distributed [program as v73-72 and v73-72]; coloured ink with graphite pencil on paper

III. [v73-140] on the intersections of random groups (2 to 10 → 5) of diagonal lines with randomly selected number of guides (1-7), dots with at random selected size ('1' to '5') and colour (red/yellow/blue, dependent of the group of lines); coloured ink with graphite pencil on paper

IV. [v73-141] on the intersections of the lines of a 2 × 2 cm grid, dots in groups of 4 with at random selected size ('1' to '5') and colour (red/yellow/blue); coloured ink with graphite pencil on paper

V. [v73-142s] on the intersections of 5 randomly selected groups (2 to 10 → 5) of diagonal lines with random number of guides (1-7), dots with at random selected size ('1' to '5') and colour (red/yellow/blue/green, dependent of the group of lines) [program as v73-140]; coloured ink with graphite pencil on paper

VI. [v73-144] on the intersections of the lines of a grid of 3 × 3 cm, dots of the same size ('3') are distributed; a second grid of 3 × 3 cm with diagonal lines connecting randomly selected points on the sides has dots of the same size ('1') on the intersections; black ink with graphite pencil on paper

VII. [v73-145s] on the intersections of the lines of 2 diagonal grids of 3 × 3 cm on the sides, dots with at random selected size (5 sizes), but the same size for each grid; black ink with graphite pencil on paper

VIII. [v73-146s] on the intersections of the lines of 2 diagonal grids of 3 × 3 cm on the sides, dots with at random selected size (5 sizes), but the same size for each grid [program as v73-145s]; black ink with graphite pencil on paper

IX. [v73-147s] on the intersections of the lines of 2 diagonal grids of 3 × 3 cm on the sides, dots with at random selected size (5 sizes), but the same size for each grid [program as v73-145s and v73-146s]; black ink with graphite pencil on paper

X. [v73-148] vertical lines drawn at a distance of 5 mm with random choice of colour (27 colours [Castell]); coloured pencil with graphite pencil on paper

XI. [v73-149] vertical lines drawn at a distance of 5 mm; the start of the first colour line at random and each new line taken left or right from the colour range (27 colours [Castell]); coloured pencil with graphite pencil on paper

XII. [v73-150] vertical lines drawn at a distance of 10 mm with random choice of colo0r (27 colours [Castell]) [program as v73-148]; coloured pencil with graphite pencil on paper

XIII. [v73-151] vertical lines drawn at a distance of 20 mm with random choice of colour (27 colours [Castell]) [program as v73-148 and v73-150]; coloured pencil with graphite pencil on paper

XIV. [v73-152] vertical lines drawn at a distance of 3 mm with random choice of colour (27 colours [Castell]) [program as v73-148, v73-150 and v73-151]; coloured pencil with graphite pencil on paper

XV. [v73-153] vertical lines drawn at a distance of 5 mm; the start of the first colour line at random and each new line taken left or right from the colour range (18 colours [Castell]) [program as v73-149]; coloured pencil with graphite pencil on paper

XVI. [v73-154] vertical lines drawn at a distance of 30 mm with random choice of colour (18 colours [Castell]) [program as v73-148]; coloured pencil with graphite pencil on paper

XVII. [v73-155] vertical and horizontal lines drawn at a distance of 30 mm with random choice of colour (18 colours [Castell]) [program as v73-154]; coloured pencil with graphite pencil on paper

XVIII. [v73-156] vertical and horizontal lines drawn at a distance of 5 mm; the start of the first colour line at random and each new line taken left or right from the colour range (18 colours [Castell]) [program as v73-153]; coloured pencil with graphite pencil on paper

XIX. [v73-157] vertical and horizontal lines drawn at a distance of 5 mm, but as a group of 20 lines horizontal and vertical in the center; the start of the first colour line at random and each new line taken left or right from the colour range (18 colours [Castell]) [program as v73-156]; coloured pencil with graphite pencil on paper