I. [v68-138] randomly distributed letters of the text by herman de vries: 'ik zal teksten schrijven en tot op het laatste woord afbreken, mededelen en bevrijden' [missing 5 × t, 6 × e and 1 × v and 1 × s too much - note by herman de vries]; black ink with graphite pencil on paper

II. [v68-139] the four sides are numbered 1 to 80 (20 on each side); 2 randomly selected points are connected by a line; each line is the starting point of a group of lines (2 to 9) placed 1 cm to the left or right; the number of groups is 20, the number of lines and the colour (red and black) are selected at random; black and red ink with graphite pencil on paper

III. [v68-140] letters in 5 sizes of the text 'die welt zerfällt in tatsachen' [source: L. Wittgenstein, *Tractatus logico-philosophicus* 1.2.] randomly distributed; black rub-off letters with graphite pencil on paper

IV. [v68-141] the four sides are numbered 1 to 80 (20 on each side); 2 randomly selected points are connected by a line; each line is the starting point of a group of 2-9 lines placed 1 cm to the left or right; the number of groups is 9, the number of lines is selected at random [program as v68-139]; black ink with graphite pencil on paper

V. [v68-142] 8 pairs of lines (out of 2-10 with the same length, no crossings) arranged at random; black ink with graphite pencil on paper

VI. [v68-143] 21 points randomly arranged (the end is determined by the moment at which 10× a place was found that was not allowed); starting from these points lines are drawn in randomly selected directions of 10° (10-360°) and no crossings allowed; black ink with graphite pencil on paper

VII. [v68-144] vertical rectangles arranged at a distance of 1 cm relative to each other with randomly selected width and number (2-9); if necessary the last rectangle will be shortened; black ink with graphite pencil on paper

VIII. [v68-145] vertical rectangles arranged at a distance of 1 cm relative to each other with randomly selected width and number (2-9); if necessary the last rectangle will be shortened [program as v68-144]; black ink with graphite pencil on paper

IX. [v68-146] vertical rectangles arranged at a distance of 1 cm relative to each other with randomly selected width and number (2-9); if necessary the last rectangle will be shortened [program as v68-144]; black ink with graphite pencil on paper

X. [v68-147] vertical rectangles arranged at a distance of 1 cm relative to each other, randomly selected width (1-30 cm) and number (1-9); if necessary the last rectangle will be shortened; black ink with graphite pencil on paper

XI. [v68-148] vertical rectangles arranged at a distance of 1 cm relative to each other, randomly selected width (1-30 cm) and number (1-9); if necessary the last rectangle will be shortened [program as v68-147]; black ink with graphite pencil on paper

XII. [v68-149] vertical rectangles arranged at a distance of 1 cm relative to each other, randomly selected width (1-30 cm) and number (1-9); if necessary the last rectangle will be shortened [program as v68-147]; black ink with graphite pencil on paper