I. [v71-183] inside the squares of a 1 × 1 cm grid, 5 lines (out of a range of 3-10) are drawn from intersection to intersection with at random direction; black ink with graphite pencil on paper

II. [v71-184] inside the intersections of a 1 × 1 cm square grid, 6 lines (out of a range of 3-10) are drawn from intersection to intersection, but only the horizontal part is visible, the vertical part is hidden with at random direction of the lines; black ink with graphite pencil on paper

III. [v71-185] inside the intersections of a 1 × 1 cm grid, 2 lines are drawn from intersection to intersection starting from randomly selected points on the left border with randomly selected distances (1-10 cm); the areas between the lines are randomly found and coloured black; black ink with graphite pencil on paper

IV. [v71-186] inside the intersections of a 1 × 1 cm grid, 2 lines (max. length 5 cm) are drawn from 5 randomly selected points at the border; the areas between the lines are randomly found; black ink with graphite pencil on paper

V. [v71-187] inside the intersections of a 1 × 1 cm grid, 6 lines (out of a range of 3-10) are drawn from intersection to intersection using the sides of the intersections with at random direction of the lines [program as v71-184 but the vertical lines are visible]; black ink with graphite pencil on paper

VI. [v71-188] lines drawn on randomly selected sides at randomly selected distances (1-10 cm); black ink with graphite pencil on paper

VII. [v71-189] lines drawn on randomly selected sides at randomly selected distances (1-10 cm) and randomly selected deviations in mm from the found points [program as v71-188]; black ink with graphite pencil on paper

VIII. [v71-190] lines drawn on from one randomly selected side and point to another randomly selected side and point; black ink with graphite pencil on paper

IX. [v71-191] lines drawn on from one side to the other on randomly selected distances (3-30 mm) from the sides or the previous line; black ink with graphite pencil on paper

X. [v71-192] circles with randomly selected diameter (3-36 mm) drawn from top left to bottom right; black ink with graphite pencil on paper

XI. [v71-193] circles with randomly selected diameter (3-36 mm) drawn inside a circle (Ø 24 cm) [program as v71-192]; black ink with graphite pencil on paper

XII. [v71-195] circles with randomly selected diameter (3-36 mm) drawn inside a circle (Ø 24 cm) inside out [program as v71-193]; black ink with graphite pencil on paper

XIII. [v71-196] circles with randomly selected diameter (10-36 mm) on at random found points; black ink with graphite pencil on paper

XIV. [v71-197] squares with randomly selected size (20-100 mm) and lines inside these squares connecting 2 randomly found points on the sides; black ink with graphite pencil on paper

XV. [v71-198] rectangles with randomly selected size (20-100 mm) and lines inside these rectangles connecting 2 randomly found points on the sides [program as v71-197]; black ink with graphite pencil on paper

XVI. [v72-02] starting from randomly selected points, lines connect other randomly selected points with maximum distance of 5 cm; overlap means the end of the drawing; black ink with graphite pencil on paper

XVII. [v72-03] inside randomly selected vertical areas (width 2-10 cm) randomly selected lines (10-100), slope (60-120°) and length (2-5 cm); black ink with graphite pencil on paper [unfinished drawing]

XVIII. [v72-07] circles with randomly selected diameter (3-36 mm) drawn from top left to bottom right; inside each circle, on random point on the circle, smaller circles with at random diameter [program as v71-192]; black ink with graphite pencil on paper

XIX. [v72-32s] on the intersections of 10 guides (position vertical/horizontal at random) circles with randomly selected diameter (2-10 cm) are drawn; black ink with graphite pencil on paper

XX. [no work number] vertical lines with at random distance; black ink with graphite pencil on paper